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   <video:title>2.1 Inch Black Appearance Calcite Dichroscope for Gemstone and Jewellery</video:title>
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   <video:title>Jewellery Tool Chelsea Filter To check if the color gem stone with dying color FCF-25</video:title>
   <video:description>Jewellery Tool Chelsea Filter To check if the color gem stone with dying color FCF-25 Model Number: FCF-25 Specifications: Technical Parameter material Optic glass Function To check if the color gem stone with dying color Body case Metal Size 55x35x10mm Description: The Chelsea Filter was called Emerald Filter or Beryloscope, it is a kinds of light which can absorb other color when through the red and yellow-green color. It is an assistant gem identification instrument. Fable</video:description>
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   <video:description>LED Light Source Gem Microscope with Magnification of 10X to 40X Model: FGM-U3-17 The microscope is a great tool for separating natural from synthetic, imitation and assembled gemstone and for quality grading of both diamonds and colored stone. Description: 1, With long life LED light source. 2, With 3 illumination systems: bright field, dark field and top light. 3, With Gemstone clip for holding stone. 4, World-wide voltage:100V-240V. 5, With F17 Binocular lens. 6,</video:description>
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   <video:title>F15 Binocular lens Jewelry Gem Microscope with Continuous Variable Magnification R1S-15</video:title>
   <video:description>F15 Binocular lens Jewelry Gem Microscope with Continuous Variable Magnification R1S-15 Model Number: FGM-R1S-15 The microscope is a great tool for separating natural from synthetic, imitation and assembled gemstone and for quality grading of both diamonds and colored stone. Description: 1, With 0-40 degree incline, adjustable freely. 2, With Gemstone clip for holding stone. 3, With 4 illumination systems: bright field, dark field, top light and Optic Fiber Light (side light)</video:description>
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   <video:tag>jewelers microscope</video:tag>
   <video:tag>  gemological microscope</video:tag>
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   <video:title>LED Optic Fiber Light Gem Microscope with Magnification of  7.0X - 45X R1S-15</video:title>
   <video:description>LED Optic Fiber Light Gem Microscope with Magnification of 7.0X - 45X Model Number: FGM-R1S-15 The microscope is a great tool for separating natural from synthetic, imitation and assembled gemstone and for quality grading of both diamonds and colored stone. Description: 1, With 0-40 degree incline, adjustable freely. 2, With Gemstone clip for holding stone. 3, With 4 illumination systems: bright field, dark field, top light and Optic Fiber Light (side light) 4, With 30W</video:description>
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   <video:tag>gemology microscope</video:tag>
   <video:tag>  gemological microscope</video:tag>
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   <video:description>Magnification 7.0X - 45X Gemology Microscope With 0-40 degree incline Model No.: FGM-R1S-15 Description: 1, With 0-40 degree incline, adjustable freely. 2, With Gemstone clip for holding stone. 3, With 4 illumination systems: bright field, dark field, top light and Optic Fiber Light (side light) 4, With 30W hologen light at the bottom. 5, With 3W LED white light at the top and its color temperature of 6000-6500K meet the requirement of grading diamond. 6, With F15 Binocular</video:description>
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   <video:tag>  gemology microscope</video:tag>
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   <video:description>LED Optic Fiber Light Gem Microscope with Magnification of 7X - 45X Model No.: FGM-R1A-15 Description: 1, With 0-40 degree incline, adjustable freely. 2, With Gemstone clip for holding stone. 3, With 4 illumination systems: bright field, dark field, top light and Optic Fiber Light (side light) 4, With Imported 7W high brightness LED bottom light source, circular dark field soft light, screw free fixed design 5, With Import 6W bright white roof light source, LED6500+500K color</video:description>
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   <video:duration>91</video:duration>
   <video:publication_date>2021-06-16T12:25:42+08:00</video:publication_date>
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   <video:rating>4.3</video:rating>
   <video:tag>jewelers microscope</video:tag>
   <video:tag>  gemological microscope</video:tag>
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 <url>
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  <lastmod>2021-07-06</lastmod>
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 </url>
 <url>
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   <video:title>Binocular Gem Microscope with Polariscope system and Magnification of 10X - 67.5X</video:title>
   <video:description>Binocular Gem Microscope with Polariscope system and Magnification of 10X - 67.5X FGM-R5S-07 Description: Generation 5th of Arm type Gem Microscope, with classical base and rotable of 360 degree for more convenience using and communicating. With lens 0-45 degree inclined freely for more comfortable operating. With self-locking system for avoiding auto-down. With two holds for clip and loupe. With 4 illumination systems: bright field, dark field top light and side light. with</video:description>
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   <video:view_count>202</video:view_count>
   <video:rating>4.3</video:rating>
   <video:tag>jewelers microscope</video:tag>
   <video:tag>  gemological microscope</video:tag>
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 </url>
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  <priority>0.8</priority>
  <changefreq>weekly</changefreq>
  <lastmod>2025-07-07</lastmod>
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   <video:title>Trinocular Gemology Microscope with Color Temperature of 6000k  - 7000k</video:title>
   <video:description>Trinocular Gemology Microscope with Color Temperature of 6000k - 7000kFGM-R6S-08 Product Advantage:With magnification of 10X to 67.5X continuous variableWith Polariscope systemWith latest lighting system for completely separating the dark and bright field.With CTV camera interface, the camera interface can be connected to CCD to output images. With F08 eyepiece for wide field of view and imaging clearly;Magnification:10X to 67.5X continuous variableZoom ratio:6.7:1Working</video:description>
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   <video:duration>36</video:duration>
   <video:publication_date>2021-06-07T12:53:23+08:00</video:publication_date>
   <video:view_count>202</video:view_count>
   <video:rating>4.5</video:rating>
   <video:tag>jewelers microscope</video:tag>
   <video:tag>  gemological microscope</video:tag>
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  <xhtml:link rel="alternate" hreflang="ru" href="https://russian.gemtestinginstruments.com/sale-3639337-trinocular-gemology-microscope-with-color-temperature-of-6000k-7000k.html"/>
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 </url>
 <url>
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  <priority>0.8</priority>
  <changefreq>weekly</changefreq>
  <lastmod>2025-07-02</lastmod>
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  <video:video>
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   <video:title>Latest Lighting System Jewelers Microscope with Magnification of  10X - 67.5X</video:title>
   <video:description>Latest Lighting System of Gem Microscope with Magnification of 10X - 67.5X FGM-R6S-07 Description: 1. Swing-arm type base 6: Classic microscope base, rotate 360 ; 2. this mirror body can be adjusted freely within the range of 0-45 ; ball rail; 3. adjustable self-locking mechanism; both sides with gem clamp mounting hole; 4. Bottom light: 10W adjustable high brightness USA made LED light, energy conservation and efficient,adopt latest patent illumination system(patent</video:description>
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   <video:duration>36</video:duration>
   <video:publication_date>2021-06-07T12:53:23+08:00</video:publication_date>
   <video:view_count>202</video:view_count>
   <video:rating>4.2</video:rating>
   <video:tag>gemology microscope</video:tag>
   <video:tag>  gemological microscope</video:tag>
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  <priority>0.8</priority>
  <changefreq>weekly</changefreq>
  <lastmod>2025-07-02</lastmod>
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  <video:video>
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   <video:title>Leica Trinocular Gem Microscope with Color Temperature of 6000k  - 7000k</video:title>
   <video:description>Leica Trinocular Gem Microscope with Color Temperature of 6000k - 7000k FGM-R6S-02 On the basis of S6E, the Leica S6D adds a three-eye camera export, including Leica professional camera receiver, which can be connected to CCD to output images. According to the customer's digital camera model (some cameras do not have an interface, please communicate with our company before purchasing the camera) to purchase a dedicated camera interface, you can easily take pictures with a</video:description>
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   <video:duration>36</video:duration>
   <video:publication_date>2021-06-07T12:53:23+08:00</video:publication_date>
   <video:view_count>202</video:view_count>
   <video:rating>4.1</video:rating>
   <video:tag>gemology microscope</video:tag>
   <video:tag>  gemological microscope</video:tag>
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  <priority>0.8</priority>
  <changefreq>weekly</changefreq>
  <lastmod>2025-07-04</lastmod>
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   <video:title>Jewellery Leica S6E Binocular Gem Microscope with Magnification 10X-64X</video:title>
   <video:description>Jewellery Leica S6E Binocular Gem Microscope with Magnification 10X-64X FGM-R6S-01 Leica S6E head complete adopt intersect optical system(Greenough), provide superelevation optical analisis and prectical applicability; Because of the excellent optical design, the eyes will not be tired after long-term use; Description: Swing-arm type base 6: Classic microscope base, rotate 360  , so that more people can operate and communicate; Go up and down stable and comfortable, great</video:description>
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   <video:duration>65</video:duration>
   <video:publication_date>2021-12-02T11:14:52+08:00</video:publication_date>
   <video:view_count>170</video:view_count>
   <video:rating>4.8</video:rating>
   <video:tag>jewelers microscope</video:tag>
   <video:tag>  gemological microscope</video:tag>
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  <priority>0.8</priority>
  <changefreq>weekly</changefreq>
  <lastmod>2025-07-05</lastmod>
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  <video:video>
   <video:thumbnail_loc>https://www.gemtestinginstruments.com/photo/gemtestinginstruments/video/20210617_60cab09c3db46.mp4.jpg?1623897186</video:thumbnail_loc>
   <video:title>Grating Gem Spectroscope With Adjustable Focus for Gem and Jewelry FGS-1A</video:title>
   <video:description>Grating Gem Spectroscope With Adjustable Focus for Gem and Jewelry FGS-1A Description: The spectroscope is a tool for examining which parts of white light are absorbed by a gemstone. Materials can absorb parts of the electromagnetic spectrum, and when the absorbed parts fall within the visible range, that absorbed part will influence the color of the material. When a gemstone is observed with a spectroscope, the absorbed parts show as dark lines and/or bands in the spectrosco</video:description>
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   <video:duration>61</video:duration>
   <video:publication_date>2021-06-16T16:01:30+08:00</video:publication_date>
   <video:view_count>677</video:view_count>
   <video:rating>4.2</video:rating>
   <video:tag>gemological spectroscope</video:tag>
   <video:tag> gemstone spectroscope</video:tag>
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  <priority>0.8</priority>
  <changefreq>weekly</changefreq>
  <lastmod>2025-07-06</lastmod>
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  <priority>0.8</priority>
  <changefreq>weekly</changefreq>
  <lastmod>2025-07-05</lastmod>
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   <video:title>Yellow light of Gemological Polariscope with a Conoscope and Power of 110V to 240V</video:title>
   <video:description>Yellow light of Gemological Polariscope with a Conoscope and Power of 110V to 240V Model Number: FTP-LED Description: The polariscope is very useful for distinguishing solid inclusions from negative inclusions as well as for spotting polysynthetic twinning. A polariscope uses polarized light for gem identification. It consists of two polarized filters, one on the top and one on the bottom of the instrument. Both the polarizer and the analyzer have their own vibrational planes</video:description>
   <video:content_loc>https://www.gemtestinginstruments.com/vodcdn/videos/encoder/1202107/45cba680309225867a1988e22ffdee14/playlist.m3u8</video:content_loc>
   <video:duration>61</video:duration>
   <video:publication_date>2021-07-19T17:15:33+08:00</video:publication_date>
   <video:view_count>112</video:view_count>
   <video:rating>4.4</video:rating>
   <video:tag>gemology equipment</video:tag>
   <video:tag> gemstone tester</video:tag>
  </video:video>
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 <url>
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  <priority>0.8</priority>
  <changefreq>weekly</changefreq>
  <lastmod>2025-07-04</lastmod>
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   <video:rating>4.1</video:rating>
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   <video:tag> dichroscope for gem testing</video:tag>
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   <video:title>Low Energy Environmental Diamond Grading Light With 6000K - 7000K Model FDL - LED</video:title>
   <video:description>Low Energy Environmental Diamond Grading Light With 6000K - 7000K Model FDL - LED Description: Fable brand Diamond Grading Lamp with: With Led Lamp plate light; color temperature:6500 500K, environmental and energy saving; hight brightness LED cold light source; Intensity of illuminatioan(2000lx at 20cm). Stable illumination;with soft light baffle,Stepless continuous dimming Global wide voltage power supply, input voltage DC12V can work normally; Power supply: 110V-240V</video:description>
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   <video:tag>Diamond Grading Light</video:tag>
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  <lastmod>2025-07-07</lastmod>
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  <changefreq>weekly</changefreq>
  <lastmod>2025-07-04</lastmod>
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   <video:title>Portable Clear Spectrum Prism Gem Spectrometer with high resolution FPS-3A</video:title>
   <video:description>Portable Clear Spectrum Prism Gem Spectrometer with high resolution FPS-3A Model Number: FPS-3A Description: The Spectroscope is only instrument widely available for separating natural-color diamonds from those that have obtained their color by irradiation or heating. It is also particulary useful for distinguishing natural-color green jadeite jade from dyed, some varieties of natural sapphire (especially blue) from synthetic and look-alikes. As the Spectroscope is for</video:description>
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   <video:view_count>677</video:view_count>
   <video:rating>4.7</video:rating>
   <video:tag>gem spectrometer</video:tag>
   <video:tag> gemstone spectroscope</video:tag>
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  <lastmod>2025-07-06</lastmod>
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  <lastmod>2025-07-07</lastmod>
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  <priority>0.8</priority>
  <changefreq>weekly</changefreq>
  <lastmod>2025-07-05</lastmod>
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   <video:title>Larger Viewer Clear Lens Calcite Dichroscope for Gemstone and Jewelry</video:title>
   <video:description>Calcite Dichroscope with Larger Viewer and Clear Lens for Gemstone and Jewelry Model Number: FID-1 Description: A gemstone is placed in front of the aperture (slightly touching it) with a strong white light source (such as a penlight) directly behind the stone. Light enters through the aperture of the dichroscope. The pleochroism colors inside the gemstone are separated by the calcite rhomb. The glass on either side of the rhomb are there to guide the light straight through</video:description>
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   <video:publication_date>2021-06-04T16:26:21+08:00</video:publication_date>
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   <video:tag>gemology tools</video:tag>
   <video:tag> gemological instruments</video:tag>
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  <priority>0.8</priority>
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  <lastmod>2025-07-04</lastmod>
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   <video:description>Jewellery industrial Handheld Spectroscope for Viewing the Color Spectrum FGS-1 Description: The spectroscope is a tool for examining which parts of white light are absorbed by a gemstone. Materials can absorb parts of the electromagnetic spectrum, and when the absorbed parts fall within the visible range, that absorbed part will influence the color of the material. When a gemstone is observed with a spectroscope, the absorbed parts show as dark lines and/or bands in the</video:description>
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   <video:tag>gemological spectroscope</video:tag>
   <video:tag> gemstone spectroscope</video:tag>
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  <lastmod>2025-06-25</lastmod>
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   <video:title>Desktop Gemology Polariscope With 49mm Calibre Big Size Conoscope And Its Stander</video:title>
   <video:description>Desktop Gemology Polariscope With 49mm Calibre Big Size Conoscope And Its Stander Model Number: FTP-49 Specifications: Technical Parameter Size 11x7x14cm Window Size 49mm(Dia.) Light LED Function Observe the optic character of Gemstone Body Metal Power supply 110V - 240V, 50/60HZ Warranty One year Applications: Gemological Laboratory, Gemology school, Jewelry industrial Product Advantage: 1. With Big Size of Conoscope and Its Stander Fable Brand Polariscope with: You can know</video:description>
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   <video:tag>gemological tools</video:tag>
   <video:tag> gemstone tester</video:tag>
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   <video:description>Gemology Polariscope with the function of Viewing the Interference Figure of Gem Model Number: FTP-LED Description: The polariscope is one of the most underestimated tools in gemology. Most gemologists use it to quickly determine if the stone at hand is isotropic or anisotropic or, at best, to determine the optic character of gemstones. In addition, the polariscope is very useful for distinguishing solid inclusions from negative inclusions as well as for spotting polysyntheti</video:description>
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   <video:rating>4.1</video:rating>
   <video:tag>gemology equipment</video:tag>
   <video:tag> gemstone tester</video:tag>
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   <video:tag> gemological instruments</video:tag>
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   <video:description>Pleochroism Color of Ruby Can Be Seen Under the Caltite Dichroscope FID-1 Description: The dichroscope is a pocket-sized tool that can aid in the identification of gemstones. This tool is used to inspect pleochroism color in gemstones and to quickly separate some common stones from each other (such as ruby versus red garnet). The calcite dichroscope is the preferred type of dichroscope used in gemology. It works because the calcite rhomb (Iceland spar) separates the polarized</video:description>
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   <video:tag>gemological instruments</video:tag>
   <video:tag> dichroscope for gem testing</video:tag>
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   <video:tag>gemological instruments</video:tag>
   <video:tag> dichroscope for gem testing</video:tag>
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   <video:description>Fable Brand Calcite Dichroscope With Nice Color Box Package FID-1A Description: The dichroscope is a pocket-sized tool that can aid in the identification of gemstones. This tool is used to inspect pleochroism color in gemstones and to quickly separate some common stones from each other (such as ruby versus red garnet). The calcite dichroscope is the preferred type of dichroscope used in gemology. It works because the calcite rhomb (Iceland spar) separates the polarized slow</video:description>
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   <video:tag> gemological instruments</video:tag>
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   <video:rating>4.6</video:rating>
   <video:tag>Diamond Grading Tools</video:tag>
   <video:tag>Diamond Grading Light</video:tag>
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   <video:description>Model FDL-25 Strong Arms of Diamond Grading Lamp With Fluorescent Light Description: The diamond grading lamp produced by our company requires the light source to have the characteristics of no ultraviolet light, uniform light energy distribution, low heat generation, soft light, and color temperature of 5500K-7200K. It meets the requirements of the diamond grading standard light source, and to a certain extent can ensure the accuracy and comparability of the diamond grading</video:description>
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   <video:description>Diamond Grading Lamp With Fluorescent Light Color Temperature 6000k-7000k FDL-12 Description: Illumination is very important in the color grading of diamonds. The use of a uniform light source can eliminate the effect of different light sources on the color. The diamond grading lamp produced by our company requires the light source to have the characteristics of no ultraviolet light, uniform light energy distribution, low heat generation, soft light, and color temperature of</video:description>
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   <video:rating>4.8</video:rating>
   <video:tag>Diamond Grading Tools</video:tag>
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   <video:title>A Set Of Diamond Grading Lamp With All Accessories Needed Model FDL-12</video:title>
   <video:description>A Set of Diamond Grading Lamp with All Accessories needed Model FDL-12 Description: Fable brand Diamond Grading Lamp with: 1. With Led cold light source 2. With fluorescent lighting system. 3. Color temperature:6000k-7000k. 4. Illumination:2000lx20cm. 5. With a loupe, a diamond selector, a tray, a tweezer, a cutting loupe, a black background board. 6. Voltage:220V. Specifications: Technical Parameter Size 500x300x160mm Function To grading the diamond Color Temperature 6000K</video:description>
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   <video:tag>Diamond Grading Tools</video:tag>
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  <changefreq>weekly</changefreq>
  <lastmod>2025-07-06</lastmod>
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   <video:title>Foldable arm Gemological Laboratory Diamond  Grading Lamp with Power 220V FDL-12</video:title>
   <video:description>Foldable arm Gemological Laboratory Diamond Grading Lamp with Power 220V FDL-12 Description: Fable brand Diamond Grading Lamp with: 1. With Led cold light source 2. With fluorescent lighting system. 3. Stable Color temperature:6000k-7000k. 4. Illumination:2000lx20cm. 5. Strong and adjustable arm; 6. With a loupe, a tray, a tweezer, a cutting loupe, A special bottle for ethyl alcohol,a black background board. 7. Voltage:220V. Specifications: Technical Parameter Size 500x300x16</video:description>
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   <video:publication_date>2021-07-19T16:24:13+08:00</video:publication_date>
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   <video:tag>Diamond Grading Tools</video:tag>
   <video:tag>Diamond Grading Light</video:tag>
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  <changefreq>weekly</changefreq>
  <lastmod>2025-07-06</lastmod>
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   <video:title>High Temperature Resistance Double 600mm Tubes for Fiber Optic Light Model FCL-150A</video:title>
   <video:description>High Temperature Resistance Double 600mm Tubes for Fiber Optic Light Model FCL-150A Specifications: Technical Parameter Size 24X28X23.7 cm Function Supply the cold light source Light color Yellow Light adjustable Yes and continuous adjustable Length of Tube 600mm Body case metal Voltage 150W Power supply 220V Description: The Optic Fiber light supply the cold light source for the Chelsea Filter, Spectroscpoe usually, as the one with the cold light so the gem will not be break</video:description>
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   <video:publication_date>2021-07-19T16:37:14+08:00</video:publication_date>
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   <video:rating>4.4</video:rating>
   <video:tag>Optical Fiber Light</video:tag>
   <video:tag>Fiber Optic Lighting Kits</video:tag>
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  <priority>0.8</priority>
  <changefreq>weekly</changefreq>
  <lastmod>2025-07-04</lastmod>
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   <video:description>Gemological Laboratory Fiber Optic Lights With Built-in Heat Dissipation Fan FCL-150A Description: The Optic Fiber light supply the cold light source for the Chelsea Filter, Spectroscpoe usually, as the one with the cold light so the gem will not be break down, especially for the Ruby. Fable brand Optic Fiber light Model FCL-150A with: 1. 150W halogen lamp with cold light source. 2. With light adjustable. 3. With Two 600mm high temperature resistance optical tubes. 4. With a</video:description>
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   <video:rating>4.6</video:rating>
   <video:tag>Optical Fiber Light</video:tag>
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  <xhtml:link rel="alternate" hreflang="x-default" href="https://www.gemtestinginstruments.com/sale-3752902-gemological-laboratory-fiber-optic-lights-with-built-in-heat-dissipation-fan-fcl-150a.html"/>
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   <video:title>Fiber Optic Lights With Better Flexible Double 600 mm Fiber Tubes FCL-150A</video:title>
   <video:description>Fiber Optic Lights With Better Flexible Double 600 mm Fiber Tubes FCL-150A Description: The Optic Fiber light supply the cold light source for the Chelsea Filter, Spectroscpoe usually, as the one with the cold light so the gem will not be break down, especially for the Ruby. Fable brand Optic Fiber light Model FCL-150A with: 1. 150W halogen lamp with cold light source. 2. With light adjustable. 3. With Two 600mm high temperature resistance optical tubes. 4. With a built-in</video:description>
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   <video:rating>4.3</video:rating>
   <video:tag>Optical Fiber Light</video:tag>
   <video:tag>Fiber Optic Lighting Kits</video:tag>
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  <changefreq>weekly</changefreq>
  <lastmod>2025-07-06</lastmod>
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   <video:description>Continuous Adjustable Optical Fiber Light with cold light source FCL-150A Description: The Optic Fiber light supply the cold light source for the Chelsea Filter, Spectroscpoe usually, as the one with the cold light so the gem will not be break down, especially for the Ruby. Fable brand Optic Fiber light Model FCL-150A with: 1. 150W halogen lamp with cold light source. 2. With light adjustable. 3. With Two 600mm high temperature resistance optical tubes. 4. With a built-in</video:description>
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   <video:publication_date>2021-07-19T16:37:14+08:00</video:publication_date>
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   <video:rating>4.6</video:rating>
   <video:tag>Optical Fiber Light</video:tag>
   <video:tag>Fiber Optic Lighting Kits</video:tag>
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  <lastmod>2025-07-06</lastmod>
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   <video:description>Model FCL-150A Fable Brand 150W Sportlight of cold light source Description: The Optic Fiber light supply the cold light source for the Chelsea Filter, Spectroscpoe usually, as the one with the cold light so the gem will not be break down, especially for the Ruby. Fable brand Optic Fiber light Model FCL-150A with: 1. 150W halogen lamp with cold light source. 2. With light adjustable. 3. With Two 600mm high temperature resistance optical tubes. 4. With a built-in heat</video:description>
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   <video:publication_date>2021-07-19T16:37:14+08:00</video:publication_date>
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   <video:rating>4.9</video:rating>
   <video:tag>Optical Fiber Light</video:tag>
   <video:tag>Optic Fiber Light</video:tag>
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 <url>
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   <video:description>Jewelry / Gemstone 150W halogen lamp cold light source with Two Fiber 600 mm Tubes Description: The Optic Fiber light supply the cold light source for the Chelsea Filter, Spectroscpoe usually, as the one with the cold light so the gem will not be break down, especially for the Ruby. Fable brand Optic Fiber light Model FCL-150A with: 1. 150W halogen lamp with cold light source. 2. With light adjustable. 3. With Two 600mm high temperature resistance optical tubes. 4. With a</video:description>
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   <video:description>Latest Lighting System of Gem Microscope with Leica Head and CCD System On the basis of S6E, the Leica S6D adds a three-eye camera export, including Leica professional camera receiver, which can be connected to CCD to output images. According to the customer's digital camera model (some cameras do not have an interface, please communicate with our company before purchasing the camera) to purchase a dedicated camera interface, you can easily take pictures with a digital camera</video:description>
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   <video:description>Gem Microscope with Excellent Microscope Head and lighting system Model Number: FGM-R1A-15 Description: 1, The mirror body can be freely adjusted within the range of 0-40  2, With Gemstone clip for holding stone. 3, With 4 illumination systems: bright field, dark field, top light and Optic Fiber Light (side light) 4, With Imported 7W high brightness LED bottom light source, circular dark field soft light, screw free fixed design 5, With Import 6W bright white roof light</video:description>
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   <video:title>Gem Microscope with Magnification of 10X to 40X Continuous Variable</video:title>
   <video:description>Gem Microscope with Magnification of 10X to 40X Continuous Variable FGM-U3-17 Applications: Jewelry Shop, Gemology School, Gemology student, gemology hobbyist Product Advantage: With magnification of 10X to 40X continuous variable With world wild voltage of 110V - 240V With cheaper way of price Description: 1, With long life LED light source. 2, With 3 illumination systems: bright field, dark field and top light. 3, With Gemstone clip for holding stone. 4, World-wide voltage</video:description>
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   <video:description>Binocular Gem Microscope Gemstone Microscope 10X-40x Magnification Model Number: FGM-U3-17 Description: Three generations of straight arm base: long-life LED light source; 1. Provide three lighting methods: bright field, dark field and top light; bright field and dark field are controlled by electronic switches; there are mounting holes for gem clips on both sides; Equipped with F17 lens: wide field of view, clear imaging, strong stereoscopic effect; 2. 10-40X continuous zoom</video:description>
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   <video:description>Indispensable Gemological Equipment Gem Spectroscope For Gemstone Identification Model Number: FPS-3A Specifications: Technical Parameter Size 75mm*18mm Function Observing the spectrum of Gem and Jewelry Portable Yes Color Black Focus adjustable Resolution High Resolution Description: The Spectroscope is a relatively small instrument that analyzes light passing through a stone. it can be used for examining which parts of white light are absorbed by a gemstone. Materials can</video:description>
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   <video:description>Black Prism Type Gem Spectroscope 18mm Portable Lightweight FPS-3 Model Number: FPS-3 Product Application The spectroscope is a tool of examining which parts of white light are absorbed by a gemstone(as well as by other materials).Materials can absorb parts of the electromagnetic spectrum,and when the absorbed parts fall within the visible range,that absorbed part will influence the color of the material.When a gemstone is observed with a spectroscope,the absorbed parts show</video:description>
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   <video:tag>gem spectrometer</video:tag>
   <video:tag> gemstone spectroscope</video:tag>
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   <video:title>6000-7000K Jewelry Gemological Microscope 10X-67.5X For Gemstones Inspection</video:title>
   <video:description>Brightfield &amp;amp; Darkfield Jewelry Gemological Microscope for Diamond &amp;amp; Gemstones Inspection Model Number: FGM-R6S-08 Description: Generation 6th of Arm type Gem Microscope, with classical base and rotable of 360 degree for more convenience using and communicating. With lens 0-45 degree inclined freely for more comfortable operating. With self-lock system for avoiding auto-down. With two holds for clip and loupe. With latest lighting system for completely separating the dark and</video:description>
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   <video:publication_date>2021-06-07T12:53:23+08:00</video:publication_date>
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   <video:tag>jewelers microscope</video:tag>
   <video:tag>  gemology microscope</video:tag>
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 <url>
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  <priority>0.8</priority>
  <changefreq>weekly</changefreq>
  <lastmod>2026-01-10</lastmod>
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   <video:title>Trinocular Gemology Microscope With CCD  latest Lighting System Zoom ratio 6.7:1</video:title>
   <video:description>Trinocular Gemology Microscope With CCD latest Lighting System Zoom ratio 6.7:1 Model: FGM-R6S-08-CCD With CTV camera interface, the camera interface can be connected to CCD to output images. According to the customer's digital camera model (some cameras do not have an interface, please communicate with our company before purchasing the camera) to purchase a dedicated camera interface, you can easily take pictures with a digital camera; you can also choose a high-definition</video:description>
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   <video:tag>gemology microscope</video:tag>
   <video:tag>  gemological microscope</video:tag>
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 <url>
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 </url>
 <url>
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 </url>
 <url>
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 </url>
 <url>
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  <changefreq>weekly</changefreq>
  <lastmod>2025-07-03</lastmod>
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 <url>
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  <lastmod>2025-07-03</lastmod>
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   <video:title>Lapidary Machine with Wheel Index of 96 and 64 and the Shaping Faceter</video:title>
   <video:description>Lapidary Machine with Wheel Index of 96 and 64 and the Shaping Faceter Model number: FJM-2014A The gem lapidary machine is used for gem facet processing and grinding samples for mineral separation. Fable Faceting machine has a compact structure and reasonable coordination. It has the advantages of stable operation, good heat dissipation and low noise under high-speed operation. Product Parameters Model FJM-2014A Input Voltage AC220V,50/60HZ Moter Power 170-180W Speed of Moter</video:description>
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   <video:rating>4.1</video:rating>
   <video:tag>jewelry tweezers</video:tag>
   <video:tag>  gemstone testing tools</video:tag>
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  <xhtml:link rel="alternate" hreflang="x-default" href="https://www.gemtestinginstruments.com/sale-7605802-lapidary-machine-with-wheel-index-of-96-and-64-and-the-shaping-faceter.html"/>
 </url>
 <url>
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  <changefreq>weekly</changefreq>
  <lastmod>2025-07-07</lastmod>
  <image:image>
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 </url>
 <url>
  <loc>https://www.gemtestinginstruments.com/sale-8292311-portable-black-aluminium-gem-polariscope-buit-in-3v-button-battery-fpp-30.html</loc>
  <priority>0.8</priority>
  <changefreq>weekly</changefreq>
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  <image:image>
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  <video:video>
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   <video:title>Portable Black Aluminium Gem Polariscope Buit-In 3V Button Battery FPP-30</video:title>
   <video:description>Portable Black Aluminium Gem Polariscope Buit-In 3V Button Battery FPP-30 Model Number: FPP-30 Specification: Appearance black color Polaroid Dia 30mm calibre Material aluminium alloy Product Net Weight: 130 grams Light white LED cold sources Power Built-in 3V button battery Feature Rotatable sample platform Package inner black leather box and then a gift paper outer box Product Application Gemological labs, gemology schools/institutes, gem&amp;amp;jewelry industrials, --etc. Product</video:description>
   <video:content_loc>https://www.gemtestinginstruments.com/vodcdn/videos/encoder/1202112/292c2fe64df204325fa67c543c8aaebe/playlist.m3u8</video:content_loc>
   <video:duration>65</video:duration>
   <video:publication_date>2021-12-02T11:14:52+08:00</video:publication_date>
   <video:view_count>170</video:view_count>
   <video:rating>4.4</video:rating>
   <video:tag>gemological tools</video:tag>
   <video:tag> gemstone tester</video:tag>
  </video:video>
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  <xhtml:link rel="alternate" hreflang="x-default" href="https://www.gemtestinginstruments.com/sale-8292311-portable-black-aluminium-gem-polariscope-buit-in-3v-button-battery-fpp-30.html"/>
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 </url>
 <url>
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  <lastmod>2025-07-07</lastmod>
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 </url>
 <url>
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  <priority>0.8</priority>
  <changefreq>weekly</changefreq>
  <lastmod>2025-07-03</lastmod>
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  <image:image>
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   <video:title>Strong sense of three dimensional Gemological Microscope Generation 3rd 10X-40X</video:title>
   <video:description>Strong sense of three dimensional Gemological Microscope Generation 3rd 10X-40X FGM-U3-17 Product Application Gemological labs, gemology schools/institutes, gem&amp;amp;jewelry industrials, --etc. Product Description Generation 3rd of upright type gem microscope with LED lighting source.There are installing hold on both right and left side of the gem clip for adjusting the stone.With 3 illumination systems of light field,dark field which control by electronic switch as well as top</video:description>
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   <video:tag>jewelers microscope</video:tag>
   <video:tag>  gemology microscope</video:tag>
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  <lastmod>2025-07-06</lastmod>
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   <video:description>Mature optical design Generation 1st Swing arm type Gem Microscope Model Number: FGM-R1A-15 Product Application Gemological labs, gemology schools/institutes, gem&amp;amp;jewelry industrials, --etc. Product Description 1. This product is a vertical double-barrel stereo continuous zoom microscope, the observation of the object is clear and intuitive, and can fully reflect the internal and surface features of the gemstone specimen. 2. The power supply system adopts 12V DC safe voltage,</video:description>
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   <video:tag>gemology microscope</video:tag>
   <video:tag>  gemological microscope</video:tag>
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 <url>
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  <changefreq>weekly</changefreq>
  <lastmod>2025-07-05</lastmod>
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   <video:title>Gem Microscope Swing arm type with 7W high brightness LED bottom light source</video:title>
   <video:description>Gem Microscope Swing arm type with 7W high brightness LED bottom light source Model Number: FGM-R1A-15 The microscope is a great tool for separating natural from synthetic, imitation and assembled gemstone and for quality grading of both diamonds and colored stone. Specification: Magnification 7.0-45X Lighting Source Halogen and LED light Lens Binocular/ with two F15 lens Power Supply DC12V (AC100V-240V to DC12V) Zoom rate 6.4:1 Weight 10 kg Size 300x250x500mm Color White</video:description>
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   <video:rating>4.9</video:rating>
   <video:tag>jewelers microscope</video:tag>
   <video:tag>  gemological microscope</video:tag>
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  <xhtml:link rel="alternate" hreflang="x-default" href="https://www.gemtestinginstruments.com/sale-8322625-gem-microscope-swing-arm-type-with-7w-high-brightness-led-bottom-light-source.html"/>
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 <url>
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  <lastmod>2025-07-06</lastmod>
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   <video:description>Updated Generation 1st Swing arm type Gem Microscope With side fiber lighting Model Number: FGM-R1A-15 Product Application Gemological labs, gemology schools/institutes, gem&amp;amp;jewelry industrials, --etc. Product Description 1. This product is a vertical double-barrel stereo continuous zoom microscope, the observation of the object is clear and intuitive, and can fully reflect the internal and surface features of the gemstone specimen. 2. The power supply system adopts 12V DC</video:description>
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   <video:title>360 degrees Gemology Microscope classical base Swing arm type 10X-67.5X</video:title>
   <video:description>360 degrees Gemology Microscope classical base Swing arm type 10X-67.5X Base Description(Five generations of swing arm base) 1. Atmospheric classic base, which can rotate 360 ; 2. The lens body can be adjusted freely within the range of 0-45 ; ball-type guide rail; adjustable self-locking mechanism; installation holes for gem clips on both sides; 3. Provide four lighting modes: bright area, dark area, top light and side light; 4. 10W high-power continuously adjustable LED</video:description>
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   <video:tag>  gemology microscope</video:tag>
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  <changefreq>weekly</changefreq>
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   <video:title>Excellent imaging classical base Jewelers Microscope Generation 5th 6.7X-45X</video:title>
   <video:description>Excellent imaging classical base Jewelers Microscope Generation 5th 6.7X-45X F12 Trinocular lens With CTV camera interface, the camera interface can be connected to CCD to output images. According to the customer's digital camera model (some cameras do not have an interface, please communicate with our company before purchasing the camera) to purchase a dedicated camera interface, you can easily take pictures with a digital camera; you can also choose a high-definition CCD to</video:description>
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   <video:tag>jewelers microscope</video:tag>
   <video:tag>  gemological microscope</video:tag>
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   <video:description>Classical base Generation 5th Swing arm type Gem Microscope F07 binocular lens FGM-R5S-07 Product Description Fable Generation 5th of Arm type gem microscope,with classical base and rotatable of 360  for more convenience using and communicating.And good design and 0-45  inclined freely for comfortable operating.It can be changed the lens freely with the lock for avoiding auto-down.There are installing hold on both right and left side of the gem clip. Have four kinds of light</video:description>
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   <video:tag>  gemological microscope</video:tag>
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   <video:title>6.7-45X  continuous zooming Swing arm type Gem Microscope F11 binocular lens</video:title>
   <video:description>6.7-45X continuous zooming Swing arm type Gem Microscope F11 binocular lens Product Description Rotating type aluminium alloy base, lens body angle can be freely adjusted in 45 degree range. Large hand wheel focusing, ball bearing type guide rail, go up and down stably and naturally. Ingenious appearance, comfortable feel,wide focusing range. Adjustable self-lock system, to avoid gliding caused by long run attrition. Human-based design structure,both sides have mounting hole</video:description>
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   <video:tag>jewelers microscope</video:tag>
   <video:tag>  gemology microscope</video:tag>
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   <video:description>Parallel light design Swing arm type Gem Microscope F01 Leica S6E lens 10X-64X Product Description For The 6th generation gem microscope base feature: 1.Rotating arm base:classical base,can be rotated within 360  2.Arm design,the lens body can be adjusted freely within the range of 0-45 ,comfotable and easy to operate. 3.The ball rail,self-locking function to avoid long-term use of wear decline 4.Humanized design,on both sides of the mounting holes of the gem folder,gem clip</video:description>
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   <video:description>Swing arm type Gem Microscope F01 binocular S6E Leica lens Zooming Ratio 6.3:1 The microscope has always been an important instrument for gem identification,but today it is indispensable because of its value in detecting new treatments and new-type synthetics. Jewelry microscopes have relatively high requirements for the lens, which must meet the requirements of strong stereo, large depth of field, no chromatic aberration, no aberration, parfocal, and top light source, bottom</video:description>
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   <video:description>10X-64X Swing arm type Gem Microscope F01 binocular Leica lens Product Description For The 6th generation gem microscope base feature: 1.Rotating arm base:classical base,can be rotated within 360  2.Arm design,the lens body can be adjusted freely within the range of 0-45 ,comfotable and easy to operate. 3.The ball rail,self-locking function to avoid long-term use of wear decline 4.Humanized design,on both sides of the mounting holes of the gem folder,gem clip three dimensiona</video:description>
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   <video:description>Daylight fluorescent lamp diamond grading lamp with lighting Angle Adjustable Model Number: FDL-25 Product Application Gemological labs, gemology schools/institutes, gem&amp;amp;jewelry industrials, --etc. Product Description The diamond grading lamp is the ideal lighting with color temperature of 5500K to 7200K and soft light,less heating,well-distributed of spectral energy as well as non-UV light.Fable Diamond Grading Lamp not only meets the requirement of standard illuminant,but</video:description>
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   <video:tag>Pocket Gemological Tools</video:tag>
   <video:tag>High Resolution Gem Spectroscope</video:tag>
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   <video:description>Grating Gemologist Spectroscope With Adjustable Focus And Clear Color gem Spectrum Model Number: FGS-1A Product Application The spectroscope is a tool of examining which parts of white light are absorbed by a gemstone(as well as by other materials).Materials can absorb parts of the electromagnetic spectrum,and when the absorbed parts fall within the visible range,that absorbed part will influence the color of the material.When a gemstone is observed with a spectroscope,the</video:description>
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   <video:tag>Diffraction Grating Spectroscope</video:tag>
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   <video:description>Jewelers And Gemologists Handheld Portable Diffraction Grating Gem Spectroscope Model Number: FGS-1 Product Application The spectroscope is a tool of examining which parts of white light are absorbed by a gemstone(as well as by other materials).Materials can absorb parts of the electromagnetic spectrum,and when the absorbed parts fall within the visible range,that absorbed part will influence the color of the material.When a gemstone is observed with a spectroscope,the</video:description>
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   <video:description>Interference Ball Built In Warm Yellow Led Light Desktop Gem Polariscope FTP-LED Product Application The polariscope is one of the most underestimated tools in gemology. Most gemologists use it to quickly determine if the stone at hand is isotropic or anisotropic or, at best, to determine the optic character of gemstones. In addition, the polariscope is very useful for distinguishing solid inclusions from negative inclusions as well as for spotting polysynthetic twinning. A</video:description>
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   <video:tag>Jewelry Gemstone Polariscope</video:tag>
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   <video:tag>Gem Refractometer</video:tag>
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   <video:rating>4.9</video:rating>
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  <lastmod>2021-07-09</lastmod>
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   <video:title>Monochromatic Light Illumination Gem Microscope Optical gemological instrument</video:title>
   <video:description>Monochromatic Light Illumination Gem Microscope Optical gemological instrument FGM-R5S-11 Five generations of swing arm base:  Atmospheric classic base, which can rotate 360 ;  The lens body can be adjusted freely within the range of 0-45 ; ball-type guide rail; adjustable self-locking mechanism; installation holes for gem clips on both sides;  Provide four lighting modes: bright fields, dark fields, top light and side light;  10W high-power continuously adjustable LED bottom</video:description>
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   <video:rating>4.9</video:rating>
   <video:tag>Optical Gemological Instrument</video:tag>
   <video:tag>Illumination Gem Microscope</video:tag>
   <video:tag>Monochromatic Light Gem Microscope</video:tag>
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   <video:description>Binocular Jewelry Appraisal Compound Optical Microscope For Gem 7.5X-50X The microscope has always been an important instrument for gem identification,but today it is indispensable because of its value in detecting new treatments and new-type synthetics Specifications: Lighting source Super brightness LED white light Rotatable Angle 45 C inclined and 360 C rotational Illumination systems Bright field, dark field, top light and side light Bottom light 10W of LED UAS made light</video:description>
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   <video:description>Optical Laboratory Appraisal Gemologist Microscope Multi Function 7.5X-45 Specifications: Lighting source Super brightness LED white light Rotatable Angle 45 C inclined and 360 C rotational Illumination systems Bright field, dark field, top light and side light Bottom light 10W of LED UAS made light Top light 6W high-brightness LED white light source, 6500+500K color temperature diamond grading lighting Slide light With 3W LED World-wide voltage 100V-240V Image High Quality</video:description>
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   <video:tag>Optical Gemologist Microscope</video:tag>
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  <lastmod>2025-07-06</lastmod>
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   <video:description>67.5X Magnification Stereoscopic Gem Microscope Binocular Type FGM-R5S-07 Base description:  Classic base, rotate 360 ;  lens body adjusted freely within the range of 0-45 ;  ball-type guide rail; adjustable self-locking mechanism; installation holes for gem clips on both sides;  Provide four lighting Illuminations: bright field, dark field, top light and side light;  bottom LED light :10W,continuously adjustable imported from the United States, energy-saving and efficient;</video:description>
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   <video:tag>67.5X Magnification Gem Microscope</video:tag>
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  <lastmod>2025-07-06</lastmod>
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   <video:title>High Precision Stereo Gem Binocular Microscope With Polarizing System</video:title>
   <video:description>High Precision Stereo Gem Binocular Microscope With Polarizing System FGM-R5S-11 Specifications: Lighting source Super brightness LED white light Rotatable Angle 45 C inclined and 360 C rotational Illumination systems Bright field, dark field, top light and side light Bottom light 10W of LED UAS made light Top light 6W high-brightness LED white light source, 6500+500K color temperature diamond grading lighting Slide light With 3W LED World-wide voltage 100V-240V Image With</video:description>
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   <video:tag>Gem Trinocular Microscope</video:tag>
   <video:tag>Stereo Trinocular Microscope</video:tag>
   <video:tag>High Precision Trinocular Microscope</video:tag>
  </video:video>
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   <video:title>Gem 150W Fiber Optic Lights With 600mm Double Hard Tubes</video:title>
   <video:description>150W Fiber Optic Light with 600mm double hard optical Tubes Model FCL-150A Specifications: Technical Parameter Size 24X28X23.7 cm Function Supply the cold light source Light color Yellow Light adjustable Yes and continuous adjustable Length of Tube 600mm Body case metal Voltage 150W Power supply 220V Description: The Optic Fiber light supply the cold light source for the Chelsea Filter, Spectroscpoe usually, as the one with the cold light so the gem will not be break down,</video:description>
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   <video:title>0.003 Accuracy Portable 1.85 Gemological Refractometer FGR-003A</video:title>
   <video:description>Portable With Monochromatic Light Filter gemological refractometer FGR-003A Model number: FGR-003A Type Testers &amp;amp; Measurements Testing scale 1.35-1.85 Accuracy 0.003 Color Black Size 120mm*42mm*80mm Power supply Unique built-in lithium battery power supply, fully charged can keep the refractometer working for more than 7 days Eyepiece Diameter of 32mm, with amplification function(4X) Prism type Synthetic cubic zirconia (CZ) testing prism Prism size 14mm 5mm Weight 1KG Light</video:description>
   <video:content_loc>https://www.gemtestinginstruments.com/vodcdn/videos/encoder/1202106/e4ed8ed5be216f774de180bc1d3b0554/playlist.m3u8</video:content_loc>
   <video:duration>91</video:duration>
   <video:publication_date>2021-06-16T14:29:07+08:00</video:publication_date>
   <video:view_count>2001</video:view_count>
   <video:rating>4.3</video:rating>
   <video:tag>0.003 Accuracy Gemological Refractometer</video:tag>
   <video:tag>1.85 Gemological Refractometer</video:tag>
   <video:tag>Portable Gemological Refractometer</video:tag>
  </video:video>
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  <priority>0.8</priority>
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  <lastmod>2024-10-24</lastmod>
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   <video:title>Frosted Aluminum Alloy Table Gem Refractometer 1.35 Scale</video:title>
   <video:description>Portable With Frosted aluminum alloy table gemological refractometer FGR-003A Gem refractometer is the most important professional tool for identifing gem stones.It can test the gem refractive index easy,fast,and without spoilage,it can also test the gemstones  luster Many gemstones are double refraction(birefringence) on optical character. For the gemstones,you must test and get its minimum and maxinum refractive index ,and their margin,so this instrumentcan give a accuracy</video:description>
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   <video:tag>Aluminum Alloy Table Gem Refractometer</video:tag>
   <video:tag>Frosted Table Gem Refractometer</video:tag>
   <video:tag>1.35 Scale Gem Refractometer</video:tag>
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   <video:title>CZ Testing Prism 1.85 Inlaid Gem Refractometer 0.002 Accuracy</video:title>
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   <video:description>Gem Testing Instruments Refractometer with easy to read visual field FGR-003 The refractometer is one of the most important tools in a gemological laboratory. It indicates the refraction index of a gemstone, which often gives vital clues to the identity of a gemstone. Refractometer Fable brand with. FGR-003 Scale rang: 1.35-1.85 Accuracy: 0.003 Table: Aluminum alloy,Durable CZ testing Prism Light: Built-in Monochromatic LED light Feature: Large visual field and easy to read</video:description>
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   <video:description>Inspect Gem Pleochroism Big eyepiece Small rotating Calcite Dichroscope FID-1A Product Description: Calcite Dichroscope is a regular test instrument which special used to observe the polychroism of gem.In some cases Polychroism is the foundation to judge the gem, especially when the Refractometer, Polariscope and other instruments can't judge the color gem is Homogeneous mass or Heterogeneous body.Calcite Dichroscope is a efficiency tool to judge the optical characteristics</video:description>
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   <video:description>Gemstone Identifier Jewelry Calcite Dichroscope With Larger Viewer and Clear Lens Description: The dichroscope is a pocket-sized tool that can aid in the identification of gemstones. This tool is used to inspect pleochroism color in gemstones and to quickly separate some common stones from each other (such as ruby versus red garnet). The calcite dichroscope is the preferred type of dichroscope used in gemology. It works because the calcite rhomb (Iceland spar) separates the</video:description>
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  <lastmod>2021-07-09</lastmod>
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   <video:description>Swing-arm assembly beam diameter 2-42mm 7.5-45X BINOCULAR Gem Microscope R6S-161 Specification: zoom ratio 1:6 continuous accurate zoom 7.5X-45X working distance 110mm interpupillary distance adjustment range 50mm-75mm color temperature 6500+500K bottom lamp 10W Specification: 1. Swing-arm type base 6: Classic microscope base, rotate 360 ; 2. this mirror body can be adjusted freely within the range of 0-45 ; ball rail; 3. adjustable self-locking mechanism; both sides with gem</video:description>
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   <video:publication_date>2021-06-07T12:53:23+08:00</video:publication_date>
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   <video:tag>WF10X Eyepiece Binocular Microscope</video:tag>
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  <changefreq>weekly</changefreq>
  <lastmod>2022-02-28</lastmod>
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   <video:title>Desktop Electronic Gem Spectroscope 700nm Observing Spectrum</video:title>
   <video:description>Desktop Electronic gem Spectroscope observe absorption spectrum with screen FTS-CCD Spectroscope is the key instrument to tell the true color from the artifical.Besides,we can know the name of gem by the spectrum for many gem can absorb the spectrum.such as:ruby,almandite, emerald,zircon,jadeite,peridot,Diamond Type Desktop Electronic Color Black/Sliver Advantage With screen to show the spectrum High screen resolution 1024*600 Voltage DC 12V Function Observe the spectrum</video:description>
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   <video:duration>84</video:duration>
   <video:publication_date>2022-02-28T09:55:02+08:00</video:publication_date>
   <video:view_count>596</video:view_count>
   <video:rating>4.7</video:rating>
   <video:tag>Electronic Gem Spectroscope</video:tag>
   <video:tag>Desktop Gem Spectroscope</video:tag>
   <video:tag>Gem Spectroscope 700nm</video:tag>
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  <loc>https://www.gemtestinginstruments.com/sale-13924754-uv-lamp-gemological-instrument-drawer-type-with-grading-device.html</loc>
  <priority>0.8</priority>
  <changefreq>weekly</changefreq>
  <lastmod>2021-12-02</lastmod>
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  </image:image>
  <image:image>
   <image:loc>https://www.gemtestinginstruments.com/photo/pl34267507-uv_lamp_gemological_instrument_drawer_type_with_grading_device.jpg</image:loc>
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  <video:video>
   <video:thumbnail_loc>https://www.gemtestinginstruments.com/photo/gemtestinginstruments/video/20211202_61a838375b89a.mp4.jpg?1638415810</video:thumbnail_loc>
   <video:title>UV Lamp Gemological Instrument Drawer Type With Grading Device</video:title>
   <video:description>Precise Gemological Instrument Desktop Drawer-type with grading device UV Lamp Specifications: Technical Parameter Size 170mm*170mm*140mm Function To check the fluorescence of the Gem and Jewelry Length Wave 365nm Short Wave 253.7nm Power supply Equipped with a global wide-voltage external power supply; output 12V/1A, Advantage Providing the dark room, drawer-type, With special grading device for grading the gemstone. Weight 2.5kg Patent Yes Lamp Holder Demountable Warranty</video:description>
   <video:content_loc>https://www.gemtestinginstruments.com/vodcdn/videos/encoder/1202112/292c2fe64df204325fa67c543c8aaebe/playlist.m3u8</video:content_loc>
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   <video:view_count>170</video:view_count>
   <video:rating>4.5</video:rating>
   <video:tag>UV Lamp Gemological Instrument</video:tag>
   <video:tag>Desktop Gemological Instrument</video:tag>
   <video:tag>Drawer Type Gemological Instrument</video:tag>
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 <url>
  <loc>https://www.gemtestinginstruments.com/sale-13927127-portable-black-polariscope-gemology-equipment-with-white-led-cold-sources-fpp-30.html</loc>
  <priority>0.8</priority>
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  <lastmod>2021-06-18</lastmod>
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   <video:description>Desktop Type polariscope Observe the interference pattern With 10mm Conoscope FTP-49 Specification: Product Name Desketop Gem Polariscope Application Gem&amp;amp;Jewelry Product Size 110mm*70mm*140mm Package size 205mm*145mm*85mm Color White Warranty One year Usage Observe the interference pattern Accessory 10mm Conoscope Power 1W Power Supply 100--240V Discription: A polariscope uses polarized light for gem identification. It consists of two polarized filters, one on the top and one</video:description>
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   <video:description>Interference Ball 18mm large diameter conoscope white color Gem Polariscope FTP-LED Product Application The polariscope is one of the most underestimated tools in gemology. Most gemologists use it to quickly determine if the stone at hand is isotropic or anisotropic or, at best, to determine the optic character of gemstones. In addition, the polariscope is very useful for distinguishing solid inclusions from negative inclusions as well as for spotting polysynthetic twinning.</video:description>
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   <video:description>Built In Both Warm And White LED Light Jewelry Appraisal Gem Polariscope FTP-DCL Model Number: FTP-DCL Specification: Product Name Desketop Gem Polariscope Application Gem&amp;amp;Jewelry Product Size 80mm*132mm*150mm Package size 205mm*145mm*85mm Light warm light 3200K-3800K &amp;amp; white light 6000K-6500K Warranty One year Usage Observe the interference pattern Accessory 18mm Conoscope Power 1W Power Supply 100--240V Product Features 1, Excellent quality Top and Bottom polariscope plate</video:description>
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   <video:title>Portable Gem Grating Spectroscope With Leather Packing</video:title>
   <video:description>Jewelers And Gemologists Handheld Portable Diffraction Grating Gem Spectroscope Model Number: FGS-1 Product Application The spectroscope is a tool of examining which parts of white light are absorbed by a gemstone(as well as by other materials).Materials can absorb parts of the electromagnetic spectrum,and when the absorbed parts fall within the visible range,that absorbed part will influence the color of the material.When a gemstone is observed with a spectroscope,the</video:description>
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   <video:tag>Gem Grating Spectroscope</video:tag>
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  <lastmod>2021-07-09</lastmod>
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   <video:description>Gemology school Fable diffraction Gem Spectroscope With Adjustable Focus Model Number: FGS-1A Description: The spectroscope is a tool for examining which parts of white light are absorbed by a gemstone. Materials can absorb parts of the electromagnetic spectrum, and when the absorbed parts fall within the visible range, that absorbed part will influence the color of the material. When a gemstone is observed with a spectroscope, the absorbed parts show as dark lines and/or</video:description>
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  <lastmod>2021-07-09</lastmod>
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   <video:title>Gemstone Tool Accessories 25mm Optical Glass Chelsea Filter with 25mm optic glass</video:title>
   <video:description>Jewellery Tool accessories Chelsea Filter with 25mm optic glass FCF-25 Model Number: FCF-25 Specifications: Technical Parameter material Optic glass Function To check if the color gem stone with dying color Body case Metal Size 55x35x10mm Description: Chelsea filter is colordisc only allow the light of deep red and kelly to get through and it makes the color of colored gem change. Chelsea filter has a wide use in testing gem. It can distinguish the regents which color on the</video:description>
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   <video:view_count>1923</video:view_count>
   <video:rating>4.4</video:rating>
   <video:tag>Gemstone Chelsea Filter</video:tag>
   <video:tag>25mm Optical Glass Chelsea Filter</video:tag>
   <video:tag>Gemological Chelsea Filter</video:tag>
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  <lastmod>2021-07-13</lastmod>
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  <priority>0.8</priority>
  <changefreq>weekly</changefreq>
  <lastmod>2025-07-04</lastmod>
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   <video:title>Two LED Light Desktop Gem Polariscope For Jewelry Appraisal</video:title>
   <video:description>Jewelry Appraisal Tool Built In Two LED Light Desktop Gem Polariscope FTP-DCL Product Features   Upper and lower polarizers: 49mm large-diameter polarizers, detachable structure. The upper polarizer can rotate freely by 360 , the stage can rotate freely by 360 ; the lower polarizer is fixed;   Light source: support dual light source switching; warm light 3200K-3800K white light 6000K-6500K, which is convenient for observing the interference pattern and is more conducive to</video:description>
   <video:content_loc>https://www.gemtestinginstruments.com/vodcdn/videos/encoder/1202107/45cba680309225867a1988e22ffdee14/playlist.m3u8</video:content_loc>
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   <video:tag>Desktop Gem Polariscope</video:tag>
   <video:tag>Two LED Light Gem Polariscope</video:tag>
   <video:tag>Jewelry Appraisal Gem Polariscope</video:tag>
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 <url>
  <loc>https://www.gemtestinginstruments.com/sale-14043147-desktop-upper-gem-polariscope-360-degree-rotation-detachable.html</loc>
  <priority>0.8</priority>
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  <lastmod>2021-07-20</lastmod>
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   <video:description>Fable Brand Gem Diamond and Jewelry Pocket Tester Larger Viewer 365nm UV light lamp With Dark Field Description: Fable new design product, with mini size and easy take, very portable and convienient to use: Ultraviolet Light, UV Lamp with Dark Field for Gem identifying,which can make observation and identification more accurate: Easy to view the color and optic characters of Gem under the ultraviolet light. Model No FUV-100 LW 365nm Weight 0.3KG Advantage Providing the dark</video:description>
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   <video:description>Gem Diamond And Jewelry Pocket Tester 4X Magnification Eyepiece Larger Viewer 365nm UV Light Lamp With Dark Field Description: Fable new design product, with mini size and easy take, very portable and convienient to use: Easy to view the color and optic characters of Gem under the ultraviolet light. Product Name Pocket Ultraviolet Lamp Model No FUV-100 LW 365nm Weight 0.3KG Advantage Providing the dark field Function Observe the fluorescence of gems Type Portable Diameter</video:description>
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   <video:description>Gem Diamond and Jewelry Pocket Tester Larger Viewer 365nm Dark Field Ultraviolet light lamp Description: Ultraviolet Light, UV Lamp with Dark Field for Gem identifying: Easy to view the color and optic characters of Gem under the ultraviolet light. Model No FUV-100 LW 365nm,Can be used for a variety of gems Weight 0.3KG Type Portable &amp;amp; Providing the dark field Advantage make observation and identification more accurate Function Observe the Fluorescence phenomenon of gems</video:description>
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  <lastmod>2025-07-06</lastmod>
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   <video:title>CZ Gem Testing Instruments Refractometer With Testing Range 1.35-1.85</video:title>
   <video:description>CZ Gem Testing Instruments Refractometer with Testing range 1.35-1.85 The refractometer is one of the most important tools in a gemological laboratory. It indicates the refraction index of a gemstone, which often gives vital clues to the identity of a gemstone. Refractometer Fable brand with. Many gemstones are double refraction(birefringence) on optical character. For the gemstones,you must test and get its minimum and maxinum refractive index ,and their margin,so this</video:description>
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   <video:tag>Refractometer Gem Testing Machine</video:tag>
   <video:tag>CZ Gem Refractometer</video:tag>
   <video:tag>Monochromatic LED Light Gem Refractometer</video:tag>
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  <lastmod>2025-07-06</lastmod>
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   <video:title>Jewelry Appraisal Gem Tester</video:title>
   <video:description>Desktop Jewelry appraisal Tester Larger Viewer LW 365nm SW 253.7nm UV light lamp Specifications: Technical Parameter Size 170mm*170mm*140mm Function To check the fluorescence of the Gem and Jewelry Length Wave 365nm Short Wave 253.7nm Power supply Equipped with a global wide-voltage external power supply; output 12V/1A, Advantage Providing the dark room, drawer-type, With special grading device for grading the gemstone. Weight 2.5kg Patent Yes Lamp Holder Demountable Warranty</video:description>
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   <video:publication_date>2021-07-19T16:03:38+08:00</video:publication_date>
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   <video:tag>Jewelry Appraisal Gem Tester</video:tag>
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   <video:tag>UV Light Lamp Gem Tester</video:tag>
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  <lastmod>2025-07-06</lastmod>
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   <video:title>Emerald Testing Chelsea Colour Filter</video:title>
   <video:description>Jewelry Inspection Pocket tools for Emerald Testing Chelsea colour Filter FCF-25 Specifications Color filters have many uses in gemology. The chelsea filter(CF) is the most prominent of then. Type Testers &amp;amp; Measurements Usage Emerald and Green stones Testing Size 55mm*35mm*10mm Filter Size 25mm Weight 30g Color Black Warranty One year Description: Chelsea Filter  is Jewelry Tool Accessories For Spotting Fakes Added To Colored Stone Parcels Chelsea filters are primarily used</video:description>
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   <video:tag>Jewelry Inspection Chelsea Colour Filter</video:tag>
   <video:tag>Pocket Chelsea Colour Filter</video:tag>
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  <lastmod>2025-07-07</lastmod>
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   <video:title>Fable gem Spectroscope desktop with screen view clear Diamond 415nm spectrum</video:title>
   <video:description>Fable gem Spectroscope desktop with screen view clear Diamond 415nm spectrum FTS-CCD Specification The characteristic absorption spectra of gemstones are acquired through the wide-dynamic color camera system, which can be displayed on the computer screen in real-time and high-definition, and the spectra can be saved on the USB flash drive. The brightness of the spectrogram can be adjusted, and the absorption line is clearly visible, which solves the problem that beginners are</video:description>
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   <video:duration>84</video:duration>
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   <video:tag>415nm Gem Spectroscope</video:tag>
   <video:tag>Desktop Electronic Gem Spectroscope</video:tag>
   <video:tag>Fable Gemology Spectroscope</video:tag>
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  <lastmod>2025-07-06</lastmod>
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   <video:title>Gemology Calcite Dichroscope</video:title>
   <video:description>Black Appearence small rectangle window gemology Calcite Dichroscope FID Description: A gemstone is placed in front of the aperture (slightly touching it) with a strong white light source (such as a penlight) directly behind the stone. Light enters through the aperture of the dichroscope. The pleochroism colors inside the gemstone are separated by the calcite rhomb. The glass on either side of the rhomb are there to guide the light straight through the instrument. Fable Brand</video:description>
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   <video:duration>46</video:duration>
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   <video:view_count>2152</video:view_count>
   <video:rating>4.4</video:rating>
   <video:tag>Gemology Calcite Dichroscope</video:tag>
   <video:tag>Rectangle Window Calcite Dichroscope</video:tag>
   <video:tag>Portable Calcite Dichroscope</video:tag>
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   <video:title>Fable Jewelry Intelligent Comprehensive Testing and Training Workbench</video:title>
   <video:description>Fable Intelligent Comprehensive Testing and Training Jewelry Workbench Model Number: FGSL-7  Special introduce: The built-in all-digital intelligent lighting control system can use the intelligent gateway function to realize precise control switch and brightness adjustment, intelligent touch screen, safe and fast;  The surface of the sheet metal is pickled and phosphated, and the surface epoxy resin powder is electrostatically sprayed with 75um, and cured at a high temperature of 180 , which has strong corrosion resistance and load-bearing performance;  Tablet computer switch, smart touch screen, safe and fast; the whole machine is designed scientifically, the structure is stable, durable and fully equipped;  More than ten kinds of diamond grading and gem identification conventional instruments are organically combined to fully meet the teaching needs of conventional training rooms;  Teachers can control the functional operation of various instruments according to the teaching needs. For example, when we talk about the use of the refractometer in this class, only the function of the refractometer is turned on, and other instrument operation functions are closed, and students cannot use it.  https://mao.ecer.com/test/gemtestinginstruments.com/sale-13488502-fable-intelligent-comprehensive-testing-and-training-jewelry-workbench-fgsl-7.html</video:description>
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   <video:duration>121</video:duration>
   <video:publication_date>2021-06-16T17:39:08+08:00</video:publication_date>
   <video:view_count>56</video:view_count>
   <video:rating>4.9</video:rating>
   <video:tag>Gem Testing Instruments</video:tag>
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  <lastmod>2025-07-02</lastmod>
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   <video:description>Gemology school Fable diffraction Gem Spectroscope With Adjustable Focus FGS-1A  Description: The spectroscope is a tool for examining which parts of white light are absorbed by a gemstone. Materials can absorb parts of the electromagnetic spectrum, and when the absorbed parts fall within the visible range, that absorbed part will influence the color of the material. When a gemstone is observed with a spectroscope, the absorbed parts show as dark lines and/or bands in the spectroscope image.  Fable Prism Spectroscope with: 1. Grating portable spectroscope. 2. with high resolution. 3. With adjustable focus.  4. Black appearance for avoiding reflecting interference.  https://mao.ecer.com/test/gemtestinginstruments.com/sale-13930294-gemology-school-fable-diffraction-gem-spectroscope-with-adjustable-focus-fgs-1a.html</video:description>
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   <video:title>Fable brand Gem Identification tool kits</video:title>
   <video:description>Fable Brand With 10 Items Protable Jewelry Appriasal Instruments Travel Gem Lab Jewelry Testing Kit FGL-10/10A  FGL-10 includes below items: 1.Gem refractometer003 (including 2ML Refractive index Liquid and batteris)                                                              2.Portable Polariscope     3.Handheld Spectroscope FPS-3 4.Calcite Dichroscope      5.Gem Loupe                            6.Chelsea Filter           7.Spotlight pencil flashlight with full spectrum light source(FGT-5)                          8.Gem Tweezer              9.Ultraviolet LED Lamp                               10.Heart&amp;Arrow Scope    FGL-10A includes below items: 1.Gem refractometer 002(including 2ML Refractive index Liquid and batteris)                                                              2.Portable Polariscope     3.Handheld Spectroscope FPS-3A 4.Calcite Dichroscope      5.Gem Loupe                            6.Chelsea Filter           7.Spotlight pencil flashlight with full spectrum light source(FGT-5)                         8.Gem Tweezer              9.Ultraviolet LED Lamp                               10.Heart&amp;Arrow Scope    https://mao.ecer.com/test/gemtestinginstruments.com/sale-13524744-fable-brand-with-10-items-protable-jewelry-appriasal-instruments-travel-gem-lab-jewelry-testing-kit.html</video:description>
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   <video:duration>63</video:duration>
   <video:publication_date>2021-06-16T15:32:10+08:00</video:publication_date>
   <video:view_count>709</video:view_count>
   <video:rating>4.9</video:rating>
   <video:tag>Gem Testing Kit</video:tag>
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  <lastmod>2025-07-02</lastmod>
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   <video:title>Fable Gem Refractometer with high Accuracy 0.002</video:title>
   <video:description>Jewelry Optical Equipment With 0.002 Accuracy With Polarizing Lens Gem Refractometer FGR-002A   High hardness CZ test prism   Scale range:1.35-1.85                      Error:   0.002     Stainless steel table,easy to clean               By advanced optic system,shadow edge is straight and sharp,easy to read                                                                      There are two ways of inputing the voltage:2 xAAA batteries and DC3V direct current suply(AC100 240V).                                             2ml refractive index Liquid(1.78 0.005) with unique design of the bottle(Proprietary technology ZL200620096730.7)      Adjustable  light brightness by switch                                     It is much safer ,much ecnomical and more convinent. Package: gift carton box packing  https://mao.ecer.com/test/gemtestinginstruments.com/sale-13548863-jewelry-optical-equipment-with-0-002-accuracy-with-polarizing-lens-gem-refractometer.html</video:description>
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   <video:duration>91</video:duration>
   <video:publication_date>2021-06-16T14:29:07+08:00</video:publication_date>
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   <video:rating>4.7</video:rating>
   <video:tag>Gem Refractometer</video:tag>
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  <lastmod>2025-07-02</lastmod>
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   <video:title>FGM-R1S-15 Fable Gem Microscope</video:title>
   <video:description>Fable High quality Swing-arm 7.0-45X BINOCULAR Gem Microscope  FGM-R1S-15  *Swing-arm type base 1: swing arm design, microscope body adjust freely within 0-40  ,easy operation; *Humanized design, both sides with gem clamp mounting hole; *Supply 4 kinds of illumination system: dark field, bright field,  top light &amp; side light; *30W high brightness adjustable halogen bottom light, additional cooling device, extend the bulb service life; *Assemble light beam 2-42mm continuous adjustable diaphragm, ring form DIFFUSER fix without screw design, provide high quality dark field; *Top light 3W high brightness LED white light source , Light distribution uniformity, 6500+500K color temperature fuitable for diamond grading; *Optical fiber additional illumination; *Equip F15 microscope head: Brand new, compact type, large depth of field, strong third dimension,sharp image;  *7.0-45X continuous zooming, zoom ratio 6.4:1;  *Working distance 95mm;  *High eye spot adjustable diopter SWF10/22mm eyepiece.  https://mao.ecer.com/test/gemtestinginstruments.com/sale-13408675-fable-high-quality-swing-arm-7-0-45x-binocular-gem-microscope-fgm-r1s-15.html</video:description>
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   <video:duration>91</video:duration>
   <video:publication_date>2021-06-16T13:47:22+08:00</video:publication_date>
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   <video:rating>4.3</video:rating>
   <video:tag>Gem Microscope</video:tag>
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   <video:title>FGM-R1A-15 Fable Gem Microscope</video:title>
   <video:description>Fable 7.0-45X BINOCULAR Jewelry/Gem Microscope microscope FGM-R1A-15  *Lens: Equipped with F15 lens: new compact design, large depth of field, strong three-dimensional sense, wide range of clear; Multiple with locking function, suitable for equipment supporting use; * 7.0-45x continuous doubling, doubling ratio 6.4:L;Working distance 95mm; Power supply: DC12V (AC100V-240V to DC12V); * Light source: Imported 7W high brightness LED bottom light source, circular dark field soft light, screw free fixed design; Import 6W bright white roof light source, LED6500+500K color temperature, brightness can be adjusted; Import 2W high brightness LED side light source, brightness can be adjusted separately; * Base: The mirror body can be freely adjusted within the range of 0-40 ; There are mounting holes for the gems on both sides; *Supply 4 illumination system: bright field, dark field, top light and side light; Assembly beam diameter 2-42mm continuously adjustable light bar; The circular dark field softener is designed without screw fixation, minus screw image interference, providing high quality dark field; *Component: Lens  1;The base x 1;Eyepiece x 2;Fiber optic lamp  1;Power line  1.  https://mao.ecer.com/test/gemtestinginstruments.com/sale-13553051-high-quality-optical-lens-jewelry-appraisal-machine-laboratory-digital-multi-function-gem-microscope.html</video:description>
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   <video:duration>91</video:duration>
   <video:publication_date>2021-06-16T12:25:42+08:00</video:publication_date>
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   <video:rating>4.8</video:rating>
   <video:tag>Gem Microscope</video:tag>
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  <lastmod>2025-07-03</lastmod>
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   <video:title>Video for Microscope gemstone demonstratio</video:title>
   <video:description>Fable Classic Base USA LED Swing-arm 7.5-45X BINOCULAR Gem Microscope FGM-R6S-161  Specification: 1. Swing-arm type base 6: Classic microscope base, rotate 360 ; 2. this mirror body can be adjusted freely within the range of 0-45 ; ball rail; 3. adjustable self-locking mechanism; both sides with gem clamp mounting hole; 4. provide the bright field and dark fields, top light and side light four lighting mode 10W high power adjustable USA LED bottom lamp, energy saving and high efficiency; 5. assembly beam diameter 2-42mm continuously adjustable light bar, no screw design. 6. The annular dark field diffuser, minus screw image interference, provide quality dark field; 6W continuously adjustable high brightness white light LED surface light source, 7. with 6500+500K color temperature diamond grading requirements. 3W high brightness adjustable LED side light. Additional auxiliary lighting; 8. orthogonal polarization conoscopic system, increase the key evidence for the identification of precious stones under the orthogonal polarization; 9. integration of world wide voltage, stable brightness; Equipped with F161 lens: 10. zoom like high definition, upright, vivid color, three-dimensional sense of strong, and a wide field of vision, optical components through a special coating process, 11. forming a flat image of good contrast in ultra wide field of view, the edge image is clear and bright; 12. 7.5X-45X continuous accurate zoom, zoom ratio 1:6; working distance 110mm the eyepiece tube with respect to 13. the horizontal direction tilted 45 degrees, the interpupillary distance adjustment range 50mm-75mm  https://mao.ecer.com/test/gemtestinginstruments.com/sale-13408466-fable-classic-base-usa-led-swing-arm-7-5-45x-binocular-gem-microscope-fgm-r6s-161.html</video:description>
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   <video:duration>36</video:duration>
   <video:publication_date>2021-06-07T12:53:23+08:00</video:publication_date>
   <video:view_count>202</video:view_count>
   <video:rating>4.6</video:rating>
   <video:tag>Gem Microscope</video:tag>
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  <loc>https://www.gemtestinginstruments.com/video-39395-chelsea-filter-a-gem-tools-for-identifying-colored-stones-fcf-25.html</loc>
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  <lastmod>2025-07-02</lastmod>
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   <video:title>Chelsea Filter a Gem tools For Identifying Colored Stones FCF - 25</video:title>
   <video:description>Chelsea Filter Jewelry Testing Equipment A Must Have For Identifying Colored Stones Model Number: FCF-25  Description:  The renowned CHELSEA FILTER is a must have for identifying colored stones. While it was originally intended to rapidly differentiate between genuine Emeralds and the pastes and doublets which resemble them, it also is a valuable aid in identifying other colored stones, as well. Designed to transmit only deep red and yellow-green light, and the best results are obtained when stones are examined under a strong electric light.  Fable brand Chelsea Filter with: 1.  With Excellent Spectralite Color Filter. 2.  Fastness and Non-lackness. 3.  With Leather Package.  https://mao.ecer.com/test/gemtestinginstruments.com/sale-7519572-chelsea-filter-a-must-have-gem-tools-for-identifying-colored-stones-fcf-25.html</video:description>
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   <video:duration>39</video:duration>
   <video:publication_date>2021-06-16T14:51:47+08:00</video:publication_date>
   <video:view_count>1923</video:view_count>
   <video:rating>4.9</video:rating>
   <video:tag>Tool Accessories</video:tag>
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  <lastmod>2025-07-02</lastmod>
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   <video:title>Fable Desktop Electronic gem Spectroscope FTS CCD</video:title>
   <video:description>Here bring our Latest Desktop Electronic gem Spectroscope FTS CCD, which  is Independent research and development production by us, can show Diamond 415nm characteristic absorption spectrum very clear.    The characteristic absorption spectra of gemstones are acquired through the wide-dynamic color camera system, which can be displayed on the computer screen in real-time and high-definition, and the spectra can be saved on the USB flash drive. The brightness of the spectrogram can be adjusted, and the absorption line is  clearly visible, which solves the problem that beginners are not easy to observe the gem's spectral absorptionline, and realizes teacher-student interactive teaching.  Main functions and parameters  1  Integrated desktop dual light source base, which can realize two test methods of transmission and reflection, and the brightness of the two light sources can be continuously adjusted; 2  Transmitted light and reflected light are both 400-700nm continuous full visible spectrum light source; 3  The entrance aperture of the sample stage is continuously adjustable from  2- 28mm; 4  Built-in computer host and display screen, screen resolution: 1024 X 600; 5  Spectral scale range: 400-700nm, the scale can be calibrated; 6  The brightness of the spectrum can be adjusted, and the absorption line is clearly visible; 7  1280*1024 high-performance detector, dynamic range 68.2db; 8  Sensitivity: 2.1v/lux-sec, resolution: 0.4nm; 9  Working temperature -10  to 60 , working voltage DC12V; 10  Designed with a VGA video output interface, which can be connected to a large screen such as a projector, which is convenient for teaching use.   https://mao.ecer.com/test/gemtestinginstruments.com/sale-13550755-fable-latest-black-desktop-electronic-gem-spectroscope-clear-diamond-415nm-characteristic-absorption.html</video:description>
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   <video:duration>76</video:duration>
   <video:publication_date>2021-06-07T12:29:34+08:00</video:publication_date>
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   <video:rating>4.4</video:rating>
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  <lastmod>2025-07-03</lastmod>
  <video:video>
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   <video:title>Company Introduction Video</video:title>
   <video:description>Shenzhen Fable Jewellery Technology Co. Ltd was established in 2006, located in Shenzhen which is called Chinese jewellery capital. Shenzhen, with its unique geographical location and development advantages, is the  largest international well-know jewellery manufacturing base and trade set scattered places. It is also the international information center of jewellery industry as well as training center of jewellery appraisal.         Fable focus on research and development, producing and marketing Jewellery Detection and Identification Instruments, specialized in gem microscope, gem refractometer gable spectroscope, hand-held Spectroscope (Grating Spectroscope and Prism Spectroscope), calcite dichroscope, table polariscope, portable polariscope,    LW/SW Ultraviolet Lamp, Optic fiber Illumination (Cold Light Source), Diamond Proportion Tester, Hardness Pencil, Gem Identifying Travel Lab etc. Some products are patented in China. Fable insists on the principle of &quot;Excellent Qualiry, Reasonable Price, Honesty, Co-operation&quot;. And take firm steps to achieve continuous development at home and abroad by offering advaced products with competitive prices and best service.         Fable will, as always provide high quality product and excellent service. If you are satisfied, please share with more others!         Thank you all!  https://mao.ecer.com/test/gemtestinginstruments.com/sale-13919551-gem-testing-kit-portable-gemstone-identification-tool-fgb-9-with-9-items.html</video:description>
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   <video:duration>347</video:duration>
   <video:publication_date>2021-06-07T11:56:48+08:00</video:publication_date>
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   <video:rating>4.6</video:rating>
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  <lastmod>2025-07-02</lastmod>
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   <video:title>dichroscope video</video:title>
   <video:description>The dichroscope is a pocket-sized tool that can aid in the identification of gemstones. This tool is used to inspect pleochroism color in gemstones and to quickly separate some common stones from each other (such as ruby versus red garnet).   The calcite dichroscope is the preferred type of dichroscope used in gemology. It works because the calcite rhomb (Iceland spar) separates the polarized slow and fast ray emerging from the gemstone. If you look at the viewing end of the dichroscope, two small windows are seen.  https://mao.ecer.com/test/gemtestinginstruments.com/sale-13918468-gemstone-identifier-jewelry-calcite-dichroscope-with-larger-viewer-and-clear-lens.html</video:description>
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   <video:duration>46</video:duration>
   <video:publication_date>2021-06-04T16:26:21+08:00</video:publication_date>
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   <video:tag>Calcite Dichroscope</video:tag>
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   <video:title>UV Lamp Gemological Instrument Drawer Type With Grading Device</video:title>
   <video:description>Quality UV lamp from China. https://www.gemtestinginstruments.com/china-uv_lamp_gemological_instrument_drawer_type_with_grading_device-13924754.html Shenzhen Fable Jewellery Technology Co., Ltd. quality manufacturer from China. We can supply: Gem Testing Instruments : https://www.gemtestinginstruments.com/supplier-gem_testing_instruments-71255.html Gem Refractometer : https://www.gemtestinginstruments.com/supplier-gem_refractometer-71465.html Gem Microscope : https://www.gemtestinginstruments.com/supplier-gem_microscope-71466.html Welcome to visit our official website : https://www.gemtestinginstruments.com ##</video:description>
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   <video:duration>61</video:duration>
   <video:publication_date>2021-07-19T16:03:38+08:00</video:publication_date>
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   <video:rating>4.8</video:rating>
   <video:tag>UV Lamp</video:tag>
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  <loc>https://www.gemtestinginstruments.com/video-40923-binocular-gem-microscope-gemstone-microscope-10x-40x-magnification.html</loc>
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   <video:title>Binocular Gem Microscope Gemstone Microscope 10X-40x Magnification</video:title>
   <video:description>Quality Gem Microscope from China. https://www.gemtestinginstruments.com/china-binocular_gem_microscope_gemstone_microscope_10x_40x_magnification-5425663.html Shenzhen Fable Jewellery Technology Co., Ltd. quality manufacturer from China. We can supply: Gem Testing Instruments : https://www.gemtestinginstruments.com/supplier-gem_testing_instruments-71255.html Gem Refractometer : https://www.gemtestinginstruments.com/supplier-gem_refractometer-71465.html Gem Microscope : https://www.gemtestinginstruments.com/supplier-gem_microscope-71466.html Welcome to visit our official website : https://www.gemtestinginstruments.com ##</video:description>
   <video:content_loc>https://www.gemtestinginstruments.com/vodcdn/videos/encoder/1202107/5c9611a1560cd64afda84151d47d1d8c/playlist-binocular-gem-microscope-gemstone-microscope-10x-40x-magnification.m3u8</video:content_loc>
   <video:duration>61</video:duration>
   <video:publication_date>2021-07-19T16:15:57+08:00</video:publication_date>
   <video:view_count>195</video:view_count>
   <video:rating>4.2</video:rating>
   <video:tag>Gem Microscope</video:tag>
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 <url>
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  <lastmod>2025-07-02</lastmod>
  <video:video>
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   <video:title>Diamond Grading Lamp With Fluorescent Light Color Temperature 6000k-7000k FDL-12</video:title>
   <video:description>Quality Diamond Grading lamp from China. https://www.gemtestinginstruments.com/china-diamond_grading_lamp_with_fluorescent_light_color_temperature_6000k_7000k_fdl_12-3737996.html Shenzhen Fable Jewellery Technology Co., Ltd. quality manufacturer from China. We can supply: Gem Testing Instruments : https://www.gemtestinginstruments.com/supplier-gem_testing_instruments-71255.html Gem Refractometer : https://www.gemtestinginstruments.com/supplier-gem_refractometer-71465.html Gem Microscope : https://www.gemtestinginstruments.com/supplier-gem_microscope-71466.html Welcome to visit our official website : https://www.gemtestinginstruments.com ##</video:description>
   <video:content_loc>https://www.gemtestinginstruments.com/vodcdn/videos/encoder/1202107/851dc42b2a980e41cae82515714ecd3c/playlist-diamond-grading-lamp-with-fluorescent-light-color-temperature-6000k-7000k-fdl-12.m3u8</video:content_loc>
   <video:duration>61</video:duration>
   <video:publication_date>2021-07-19T16:24:13+08:00</video:publication_date>
   <video:view_count>175</video:view_count>
   <video:rating>4.9</video:rating>
   <video:tag>Diamond Grading lamp</video:tag>
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   <video:title>Gem 150W Fiber Optic Lights With 600mm Double Hard Tubes</video:title>
   <video:description>Quality Fiber Optic Lights from China. https://www.gemtestinginstruments.com/china-gem_150w_fiber_optic_lights_with_600mm_double_hard_tubes-13905778.html Shenzhen Fable Jewellery Technology Co., Ltd. quality manufacturer from China. We can supply: Gem Testing Instruments : https://www.gemtestinginstruments.com/supplier-gem_testing_instruments-71255.html Gem Refractometer : https://www.gemtestinginstruments.com/supplier-gem_refractometer-71465.html Gem Microscope : https://www.gemtestinginstruments.com/supplier-gem_microscope-71466.html Welcome to visit our official website : https://www.gemtestinginstruments.com ##</video:description>
   <video:content_loc>https://www.gemtestinginstruments.com/vodcdn/videos/encoder/1202107/0c714d979c61262ac10e7aed61136d6f/playlist-gem-150w-fiber-optic-lights-with-600mm-double-hard-tubes.m3u8</video:content_loc>
   <video:duration>61</video:duration>
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   <video:rating>4.9</video:rating>
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 <url>
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  <lastmod>2025-07-02</lastmod>
  <video:video>
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   <video:title>Two LED Light Desktop Gemologist Polariscope Upper Polarizer Rotate 360  Freely</video:title>
   <video:description>Quality Gem Polariscope from China. https://www.gemtestinginstruments.com/china-two_led_light_desktop_gemologist_polariscope_upper_polarizer_rotate_360_freely-14043147.html Shenzhen Fable Jewellery Technology Co., Ltd. quality manufacturer from China. We can supply: Gem Testing Instruments : https://www.gemtestinginstruments.com/supplier-gem_testing_instruments-71255.html Gem Refractometer : https://www.gemtestinginstruments.com/supplier-gem_refractometer-71465.html Gem Microscope : https://www.gemtestinginstruments.com/supplier-gem_microscope-71466.html Welcome to visit our official website : https://www.gemtestinginstruments.com ##</video:description>
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   <video:rating>4.2</video:rating>
   <video:tag>Gem Polariscope</video:tag>
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   <video:publication_date>2021-07-19T17:27:57+08:00</video:publication_date>
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   <video:tag>Gem Microscope</video:tag>
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   <video:title>Shenzhen Fable Jewellery Technology Co.,Ltd Factory Showing Video</video:title>
   <video:description>Quality Gem Testing Instruments from China. https://www.gemtestinginstruments.com/china-complete_set_mohs_hardness_pencil_gemstones_testing_104mm_6mm-13535685.html Shenzhen Fable Jewellery Technology Co., Ltd. quality manufacturer from China. We can supply: Gem Testing Instruments : https://www.gemtestinginstruments.com/supplier-gem_testing_instruments-71255.html Gem Refractometer : https://www.gemtestinginstruments.com/supplier-gem_refractometer-71465.html Gem Microscope : https://www.gemtestinginstruments.com/supplier-gem_microscope-71466.html Welcome to visit our official website : https://www.gemtestinginstruments.com ##</video:description>
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   <video:publication_date>2021-12-02T11:02:25+08:00</video:publication_date>
   <video:view_count>206</video:view_count>
   <video:rating>4.1</video:rating>
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  <video:video>
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   <video:title>Company Showing Video of Shenzhen Fable Jewellery Technology Co.,Ltd</video:title>
   <video:description>Quality Gem Testing Instruments from China. https://www.gemtestinginstruments.com/china-complete_set_mohs_hardness_pencil_gemstones_testing_104mm_6mm-13535685.html Shenzhen Fable Jewellery Technology Co., Ltd. quality manufacturer from China. We can supply: Gem Testing Instruments : https://www.gemtestinginstruments.com/supplier-gem_testing_instruments-71255.html Gem Refractometer : https://www.gemtestinginstruments.com/supplier-gem_refractometer-71465.html Gem Microscope : https://www.gemtestinginstruments.com/supplier-gem_microscope-71466.html Welcome to visit our official website : https://www.gemtestinginstruments.com ##</video:description>
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   <video:publication_date>2021-12-02T11:14:52+08:00</video:publication_date>
   <video:view_count>170</video:view_count>
   <video:rating>4.4</video:rating>
   <video:tag>Gem Refractometer</video:tag>
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 <url>
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  <changefreq>weekly</changefreq>
  <lastmod>2025-07-02</lastmod>
  <video:video>
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   <video:title>Fable gem Spectroscope desktop with screen view clear Diamond 415nm spectrum</video:title>
   <video:description>Quality Gem Spectroscope from China. https://www.gemtestinginstruments.com/china-fable_gem_spectroscope_desktop_with_screen_view_clear_diamond_415nm_spectrum-13550755.html Shenzhen Fable Jewellery Technology Co., Ltd. quality manufacturer from China. We can supply: Gem Testing Instruments : https://www.gemtestinginstruments.com/supplier-gem_testing_instruments-71255.html Gem Refractometer : https://www.gemtestinginstruments.com/supplier-gem_refractometer-71465.html Gem Microscope : https://www.gemtestinginstruments.com/supplier-gem_microscope-71466.html Welcome to visit our official website : https://www.gemtestinginstruments.com ##</video:description>
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   <video:duration>84</video:duration>
   <video:publication_date>2022-02-28T09:55:02+08:00</video:publication_date>
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   <video:rating>4.6</video:rating>
   <video:tag>Gem Spectroscope</video:tag>
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 <url>
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  <changefreq>weekly</changefreq>
  <lastmod>2025-07-02</lastmod>
  <video:video>
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   <video:title>Desktop Electronic Gem Spectroscope 700nm Observing Spectrum</video:title>
   <video:description>Quality Gem Spectroscope from China. https://www.gemtestinginstruments.com/china-desktop_electronic_gem_spectroscope_700nm_observing_spectrum-13924034.html Shenzhen Fable Jewellery Technology Co., Ltd. quality manufacturer from China. We can supply: Gem Testing Instruments : https://www.gemtestinginstruments.com/supplier-gem_testing_instruments-71255.html Gem Refractometer : https://www.gemtestinginstruments.com/supplier-gem_refractometer-71465.html Gem Microscope : https://www.gemtestinginstruments.com/supplier-gem_microscope-71466.html Welcome to visit our official website : https://www.gemtestinginstruments.com ##</video:description>
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   <video:duration>127</video:duration>
   <video:publication_date>2022-02-28T09:59:23+08:00</video:publication_date>
   <video:view_count>187</video:view_count>
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  <changefreq>weekly</changefreq>
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  <video:video>
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   <video:title>Pocket Dark Field UV Lamp</video:title>
   <video:description>Jewelry Pocket UV Lamp 365nm Dark Field Ultraviolet light lamp with 4X Larger Viewer for Gem identifying https://www.gemtestinginstruments.com/china-jewelry_pocket_uv_lamp_365nm_dark_field_ultraviolet_light_lamp_with_4x_larger_viewer_for_gem_identif-27460082.html Shenzhen Fable Jewellery Technology Co., Ltd. quality manufacturer from China. We can supply: Gem Testing Instruments : https://www.gemtestinginstruments.com/supplier-gem_testing_instruments-71255.html Gem Refractometer : https://www.gemtestinginstruments.com/supplier-gem_refractometer-71465.html Gem Microscope : https://www.gemtestinginstruments.com/supplier-gem_microscope-71466.html Welcome to visit our official website : https://www.gemtestinginstruments.com ##</video:description>
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   <video:duration>26</video:duration>
   <video:publication_date>2022-05-30T18:06:35+08:00</video:publication_date>
   <video:view_count>276</video:view_count>
   <video:rating>4.3</video:rating>
   <video:tag>UV Lamp</video:tag>
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