Interference Ball Polariscope Gemological Tools For Jewelry2021-07-19 17:16:20 |
Pleochroism Color of Ruby Can Be Seen Under the Caltite Dichroscope2021-07-09 16:03:13 |
Portable Black Aluminium Gem Polariscope Buit-In 3V Button Battery FPP-302021-12-02 11:15:46 |
Handheld Gem Polariscope Observe the optic character of Gemstone FPP-302021-07-02 16:47:30 |
Big Eyepiece Dichroscope Gem Identification For Pleochroism2021-07-09 15:59:34 |
2.1 Inch Black Appearance Calcite Dichroscope for Gemstone and Jewellery2021-07-09 15:59:59 |
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