Stereo Trinocular Gem Microscope Jewelry Microscope High Precision 10X-67.5X FGM-R5S-08 Jewelry microscopes have relatively high requirements for the ...
Binocular Jewelry Appraisal Compound Optical Microscope For Gem 7.5X-50X The microscope has always been an important instrument for gem identification...
Optical Laboratory Appraisal Gemologist Microscope Multi Function 7.5X-45 Specifications: Lighting source Super brightness LED white light Rotatable ....
Gemology Equipment With 0.002 Accuracy With Polarizing Lens hand refractometer Model number: FGR-002A Type Testers & Measurements Testing scale 1.35-1...