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1 - 20 Results for gem refractometer rayner from 24 Products
Jewelry and Refractive Index Testing tool 1.35 - 1.85 Range Refractometer refractometer is the most important professional tool for identi...
Time : Apr,15,2025
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Optical equipments for built-in Led jewelry Hand-Held Product description The Refractometer is an important instrument which mea...
Time : Dec,09,2024
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Jewelry Microscope High Hardness CZ Test Prism A24.6321 Professional Optical Design, High Hardness CZ Test Prism, Clear Shadow Bound...
Time : Dec,09,2024
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... of a gemstone, which often gives vital clues to the identity of a gemstone. Fable brand provides a numerical reading from a scale yo...
Time : Dec,09,2024
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