Most Popular Books
- The Gemstone Treatment Bible: The Definitive Guide to Gemstone Treatments, Enhancements, Identification, Disclosure, and Value (Complete Gemology Course Encyclopedia)
- Everything There Is to Know About the Elusive Mahenge Spinel: From the Depths of Tanzania to the World's Most Coveted Gemstone (The Ultimate Guide to Gemstones)
- Everything There Is to Know About Hessonite: Geology • History • Gemology • Sources • Identification • Valuation • Collecting • Investing (The Ultimate Guide to Gemstones)
- The Ruby Bible (Complete Gemology Course Encyclopedia)
- The Ultimate Guide to Green Diamonds: A Comprehensive Exploration of Natural Green Diamonds, Covering Their Science, History, Rarity, Famous Stones, ... Potential. (The Ultimate Guide to Gemstones)
