Frequently Asked Questions
What tourmaline color is best?

Bright pure tones of red, blue and green are generally the most valued but the electric vivid green to blue shades of cuprite tourmaline are so exceptional that they are in a class by themselves.

You Might Also Like

Find a Retailer
learn more
Shop the Campus Store
Learn More
Quality Assurance Benchmarks
Learn More
Gems & Gemology
G&G Winter 2017 Edition
Learn more