Rubellite Tourmaline Buying Guide
Our rubellite buying guide can help you learn how rubellites are graded, what to avoid, and how to identify a high-quality stone or a bargain in the rough.
4 Minute Read
Related Articles
Tourmaline Value, Price, and Jewelry Information
Tourmaline is a name applied to a family of related minerals with widely varying properties. Tourmalines make very popular jewelry...
Read More
Mint Tourmalines: Gemstones for Our Times
Mint tourmalines, with their pastel shades and great clarity, are becoming more popular. Learn why these gems are well-suited to...
Read More
Tourmaline Engagement Ring Stones: the Ultimate Guide
Thinking about a tourmaline engagement ring? Learn everything you need to know to buy your perfect gem, from hardness and...
Read More
How Do Tourmalines Form?
Tourmalines are a large mineral group with a variety of chemical compositions. Learn how tourmalines form and why so many...
Read More
Latest Articles
Tourmaline Engagement Ring Stones: the Ultimate Guide
Thinking about a tourmaline engagement ring? Learn everything you need to know to buy your perfect gem, from hardness and...
Read More
Chabazite Value, Price, and Jewelry Information
Although faceting chabazite isn't too difficult, it's too soft for jewelry. However, only a handful of cut chabazites may exist...
Read More
Recutting Diamonds and Colored Gemstones
When is recutting diamonds and other gems worthwhile for a professional gemologist? Learn how to make this determination and avoid...
Read More
A Step-Cut Montana Sapphire Design
Watch lapidarist Jim Buday facet a step-cut Montana sapphire design. This version of the traditional cut produces a very bright...
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!