Tanzanite-colored synthetic Forsterite shows d..
Special FeaturesCompact and portable sodium light.This is used to operate refractometer...
Alexandrite and Color Shift Filter..
Product FeaturePleochrocicolours in a gemc an be seen side by sideEasy to separate by from spinel or..
The Chelsea Color Filter distinguishes emeralds from imitations and narrows down the possibilities w..
SpecificationsThis is an quality indispensable tool for anyone appraising, buying, selling or rework..
Product FeatureHigh hardness glass test table with very low dispersion and by advances optic system,..
The Gem-A London Dichroscope uses Polaroid filters to determine if a stone is doubly refractive. It ..
Gemological Hardness Pencil (Set)..
This Diamond Master set from GemOro offers an accurate array of CZ master stones for easy color grad..
Special FeaturesRechargeable BatteryLED Yellow and WhiteWith 3 Watts..
SPECIFICATIONSAvailable White, Yellow & UV LightRechargeable Battery with Charger ..
SpecificationsWhite LED LightLong Life & Powerful Light Rechargeable 3.7V Batter with 6800m..