2.1 Inch Black Appearance Calcite Dichroscope for Gemstone and Jewellery2021-07-09 15:59:59 |
Pleochroism Color of Ruby Can Be Seen Under the Caltite Dichroscope2021-07-09 16:03:13 |
Small Calcite Dichroscope to Inspect Pleochroism Color in Gemstones2021-07-09 16:03:46 |
10 Items Portable Jewelry Appraisal Gem Testing Kit With UV LED Lamp2021-07-09 17:01:33 |
20 Items Multifunctional Gem Testing Kit With 40X Gem Microscope2021-07-21 11:54:46 |
Emerald Testing Chelsea Colour Filter
8 Items Gem Testing Instruments Mohs Gemstone Hardness Tester
Dual Use Synthetic Diamond Moissanite Tester With 0.66mm Probe
Complete Set Mohs Hardness Pencil Gemstones Testing 104mm*6mm
Optical Lens Desktop Gem Polariscope Built In LED Light
Index Wheels of 96 and 64 for Lapidary Machine with Function of Faceting and Polishing
Gem Faceting Machine with wheel index of 96 and 64, Voltage AC220V FJM-2014
Gem faceting Lapidary Machine with mainshaft Speed 2300-2800r/min FJM-2014A