Chrome Tourmaline Buying Guide
Rare chrome tourmaline can show an emerald-like green color. With a highly desired color and tourmaline's excellent qualities as a jewelry stone, this gem ranks as one of the top commercial stones on the market today.
3 Minute Read
Related Articles
Tourmaline Gem, Price, and Jewelry Information
Discover tourmaline's stunning colors, value, and properties. Learn why this October birthstone makes exceptional jewelry and how to identify genuine...
Read More
Verdelite (Green Tourmaline) Buying Guide
Looking for a tourmaline jewelry stone? If you like green and you're on a budget, green tourmaline or verdelite is...
Read More
Difficult Gemstone Separations
Two of the trickiest gemstone separations to make are scapolite from citrine and apatite from tourmaline. Learn some tips for...
Read More
A Look at African Paraíba Tourmaline Rough
Distinguishing African paraíba from Brazilian paraíba tourmalines is difficult. This gallery showcases bright neon specimens from Nigeria.
Read More
Latest Articles
Milarite Value, Price, and Jewelry Information
Very rare milarite crystals can occur in green and yellow colors. Transparent material can yield small but pleasant looking faceted...
Read More
Appraising Pearls: How to Grade Pearls
Novice gemologists and jewelers may find appraising pearls difficult. Our guide will show you how to appraise and grade different...
Read More
Agate Buying Guide
Decorative, patterned forms of agate are excellent natural gems. Learn more about agate's mesmerizing patterns in our agate buying guide....
Read More
Carving Techniques for Handling Inclusions in Transparent Gems
Inclusions don't have to result in a loss of mass or value when cutting transparent gems. Learn how to manage...
Read More
Never Stop Learning
When you join the IGS community, you get trusted diamond & gemstone information when you need it.
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!