Refractive Index Equipment Built In LED Light 0.003 Accuracy Gem Refractometer
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...003 Accuracy Gem Refractometer 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 Model number: FGR-003 Type Testers & Measurements Testing scale 1.35-1.85 Accuracy 0.003......
Shenzhen Fable Jewellery Technology Co., Ltd.
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Aluminum Alloy Gemological Refractometer Gemstone Testing Instrument FGR-003
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... of a gemstone, which often gives vital clues to the identity of a gemstone. Fable brand Refractometer provides a numerical reading from a scale you see when you look through the eyepiece and determine whether a stone with single or double refracting by...
Ningbo Vanco Instrument Co.,Ltd
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Jewelry Microscope Gem Refractometer High Hardness CZ Test Prism A24.6321
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... Refractometer High Hardness CZ Test Prism A24.6321 Professional Optical Design, High Hardness CZ Test Prism, Clear Shadow Boundaries, Special Power Supply A24.6321 Gem Refractometer A B C Scale Range 1.35-1.85, Hard CZ Measuring Prism Accuracy ≤± 0.003......
Opto-Edu (Beijing) Co., Ltd.
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