Gemological Tools & Others (77)

New! Optical Fiber Inspection Scope Microscope Universal Ferrule Adapter 2.5mm

Optical Fiber Inspection Scope Microscope Universal Ferrule Adapter 1.25mm Optic

Jadeite/chelsea filter + Ruby filter for gem testing gemstones. 2 items bundle!

+ 3 reviews

Portable Handheld Polariscope with Desktop Led Light

Beer Wort and Wine Refractometer, Double DUAL SCALE - Specific Gravity and Brix

External Monochromatic Yellow Light Gem Refractometer, Gemological

Conoscope Interference Sphere Ball for Polariscope. Wide 15mm Lens. Gemstones

+ 2 reviews

Conoscope Interference Sphere Ball for Polariscope, gem testing, gemstones.

Monochromatic Light source for Gems Refractometer. Gemstone Gemological Testing

+ 4 reviews

Pocket Diffraction Grating Spectroscope Gem Tool USA

10x21mm Triplet LED Illuminated Jewelers Magnifier/Loupe

+ 1 reviews

Clinical Veterinary Refractometer Serum Protein Urine SpecificGravity RHC-200ATC

Most Accurate Sea Water Salinity Refractometer for Aquarium, 0% - 10% Hydrometer

Alcohol Water Grape Wine Refractometer 0-80% ATC #1 AdeAdvancedOptics RHW-80ATC

Calcite Dichroscope, GEM tools, Made in USA

+ 1 reviews

Medium Diffraction Spectroscope Gemological Gem USA

Ade Advanced Optics Fiber Optical Microscope Optic Scope 400x Light AP CL400

Celcius Chart ATC Glycol Antifreeze/Battery/Cleaning Fluid Refractometer 503ATC

Salinity Refractometer for Aquarium, 0% - 10% Hydrometer, RHS-10ATC

+ 1 reviews

Most Accurate 0-32%ATC Brix Refractometer Beer Wine CNC Fruit