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Secrets of the Gem Trade: The Connoisseur's Guide to Precious Gemstones
Secrets of the Gem Trade The Connoisseur's Guide to Precious Gemstones Author:Richard W. Wise As the sub-title suggests, Secrets of the Gem Trade is the consumer's guide to precious gemstones. Divided into two parts: In plain non-technical language, Part I redefines preciousness and gently guides the reader toward a real understanding of those criteria that make a gemstone. Part II contains a series of individual essays that apply the ... more »criteria of connoisseurship to 35 of today's most important gemstones. The book covers precious stones old and new including diamond, pearl, tourmaline, sapphire, chalcedony, spinel, ruby, and garnet« less