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	Advertise Here!         Library > Gemology > Gemstone Treatments   Gemstone Coloration and Dyeing (13)   Page: 1 2    [549] The Treatment of Gemstones The treatment and enhancement of gemstones has existed for centuries. Some enhancements improve on nature slightly, are undetectable, and they are permanent; this provides the gem market with a larger supply of beautiful gemstones. Other treatments produce dramatic changes in the gemstone; the irradiation and heating of colorless topaz that permanently transforms it into blue topaz is an excellent example. A few treatments are less stable and should be avoided by the knowledgeable buyer..... (1999) Complete Story Show me more articles from: [Handbook for the Gem Buyer]|[Sondra Francis] Releated Categories: [Gemology]|[Gemstone Treatments]|[Handbook for the Gem Buyer]   Page: 1 2
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