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Winter 2002, Volume 38, Issue 4

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Chart of Commercially Available Gem Treatments
Christopher P. Smith and Shane F. McClure


This chart combines a comprehensive listing of the commercially available treatments for the most commonly GIA Tucson Insider: Jan. 24, 2003: G&G gem wall chart,-250-pxused gem materials with an indication of the current status of their detectability. Designed as a supplement to “Gemstone Enhancement and Detection in the 1990s,” from the Winter 2000 issue of Gems & Gemology, this chart makes the key information available in an easy-to-use reference tool.

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