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1 - 11 Results for refractometer gemstones from 11 Products
... of a , which often gives vital clues to the identity of a . Fable brand provides a numerical reading from a scale yo...
Time : Dec,09,2024
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... easy,fast,and without spoilage,it can also test the ’ luster Many are double refraction(birefringence) on optical character. Fo...
Time : May,09,2025
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Built-in LED Gemstone table Polariscope with Interference ball Desktop Polariscope Model RHGZ-110/220 Product description It is very useful in identif...
Time : Dec,09,2024
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