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adjustable gemological tools
Selling leads
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...Instruments Refractometer with easy to read visual field FGR-003 The refractometer is one of the most important tools in a gemological laboratory. ...
2026-06-22 00:07:58
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...Adjustable Warranty One year Size 20mm*55mm Packing Leather bag and paper box Large visible viewer Window 2mm*2mm Packing Size 30mm*60mm Descriptio...
2026-06-22 00:07:58
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...-15 The microscope is a great tool for separating natural from synthetic, imitation and assembled gemstone and for quality grading of both diamonds ...
2026-06-22 00:07:58
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...assembled gemstone and for quality grading of both diamonds and colored stone. Description: 1, With 0-40 degree incline, adjustable freely. 2, With ...
2026-06-22 00:07:58
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