Artificial gemstones have been well established in the jewel trade for some time, but following further refinements in their manufacture, gemologists worldwide are facing increasing problems with their identification. Today, for instance, gem-quality synthetic diamonds--once deemed impossible to produce--are becoming widely available. The synthetic products of the past are still available as well, and often prove puzzling to newer generations of gemologists. Starting with the theory of synthetic gem manufacture and an ...

Artificial Gemstones 2008, Robert Hale & Company

ISBN-13: 9780719803314

Trade paperback

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Artificial Gemstones 2005, N.A.G. Press, London, England

ISBN-13: 9780719803116

Hardcover

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