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.

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

Explains in non-technical terms how to use the dichroscope to identify colored gems, and how to separate natural gems from imitations, treated

Dichroscopes Made Easy: The RIGHT-WAY Guide to Using Gem Identification Tools (The Antoinette Matlins RIGHT-WAY Series to Using Gem Identification

Unboxing a Gemologist's Spectroscope

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

SAGES 2011 Final Program - Society of American Gastrointestinal

Optical Whitening and Brightening of Pearls: A Fluorescence Spectroscopy Study

Ultra-low-cost mechanical smartphone attachment for no-calibration blood pressure measurement

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

Spectroscope Instructions for Novice Gemologists - Gem Society

Used Book in Good Condition

The Spectroscope and Gemmology

Product Review, Gem Lab Refractometer - International Gem Society

Unboxing a Gemologist's Spectroscope