IGS Background

Learn to Use a Dichroscope (Video)


Not sure if your gem is pleochroic? This tutorial video will teach you how to use the dichroscope to determine pleochroism.

HomeLearning CenterGemologyGemology ToolsLearn to Use a Dichroscope (Video)

Determining if a gem shows pleochroism can help you identify it. This tutorial video will teach you how to use the dichroscope to view dichroic and trichroic colors.

Interested in this topic?

This article is also a part of our Gemology Tools Mini Course, in the unit Measuring Optical Properties.

Premium Content - Membership Required - Learn More

Never Stop Learning

When you join the IGS community, you get trusted diamond & gemstone information when you need it.

Become a Member

Get Gemology Insights

Get started with the International Gem Society’s free guide to gemstone identification. Join our weekly newsletter & get a free copy of the Gem ID Checklist!