
Learn to Use the Spectroscope (Video)
Taking spectroscope readings can be challenging. This tutorial video will teach you different techniques you can use to view a gem's absorption spectrum.
Taking spectroscope readings can be challenging. This tutorial video will teach you different techniques you can use to view a gem's absorption spectrum.
Premium Content - Membership Required - Learn More
Related Articles
Refractometer Guide, Part 3: Determining Optic Character and Recognizing Optic Effects
Product Review, Gem Lab Refractometer
Gemology Reference Books: Reviews
The Microscope: A Guide for Gemologists
Latest Articles
800 Years of Mogok: A Celebration in Tenuous Times
What is the Average Gemstone Faceting Yield?
Pyroxmangite Value, Price, and Jewelry Information
How to Identify Emerald Simulants and Synthetics
Never Stop Learning
When you join the IGS community, you get trusted diamond & gemstone information when you need it.