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Secrets of the Gem Trade, The Connoisseur''s Guide To Precious Gemstones by Richard W. Wise.
Wonderful book, well written, informative, great pictures. linky |
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Gemstones of the World, by Walter Schumann, is a good one too. Contains the technical info about gems, as well as sources, pictures, etc. Amazon link
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Gems and Gemstones *just* came out -- it''s kind of an encyclopedia of gems written by the curators of a big gem exhibit at the Field Museum in Chicago.
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