Gems and Jewelry Author:Joel Arem Is an invaluable photographic color guide, written by an expert to give you the most information in an easy-to-carry volume. Learn all about gems, from aqua-marines to zircons: their histories, locations, ans properties; how they are mined, cut, and sold. Find out how to inspect gems and jewelry for flaws and perfections, so you are sure of valu... more »e when purchasing them« less