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Gemstone Treatments: An Historical Perspective

By Alison Withey April 1, 2015 Jewelry History
Gemstone Treatments: An Historical Perspective

Few consumers realize how common gemstone treatments are. Gemstones are regularly heat-treated, irradiated, fracture filled, laser drilled, and subjected to diffusion treatments. Examples include the following: Dyeing, Waxing, Oiling, Filling, Impregnation,…

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