Gemstone Buying Guide, Second Edition: How to Evaluate, Identify, Select & Care for Colored Gems by Renée Newman |
Secrets of the Gem Trade: The Connoisseur's Guide to Precious Gemstones by Richard W. Wise |
Gem Identification Made Easy, Third Edition: A Hands-On Guide to More Confident Buying & Selling by Antoinette Leonard Matlins |
by Renée Newman
|
Ruby, Sapphire & Emerald Buying Guide: How to Evaluate, Identify, Select & Care for These Gemstones by Renée Newman |













