Learn to Use the Spectroscope (Video) - International Gem Society

Taking spectroscope readings can be challenging. This tutorial video will teach you different techniques you can use to view a gem's absorption spectrum.

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Learn to Use a Refractometer (Video) - International Gem Society

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Learn to Use a Diamond Tester and Chelsea Filter (Video) - Gem Society

Learn to Use the Spectroscope (Video) - International Gem Society

Unboxing a Gemologist's Spectroscope

Taking spectroscope readings can be challenging. This tutorial video will teach you different techniques you can us…

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