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Abstract Header from the 2009 issue of Gems & Gemology
Abstracts; Summer 2009

Brendan M. Laurs, Thomas W. Overton

This article, from the Summer 2009 issue of Gems & Gemmology, is a compilation of abstracts of important gemmology-related articles published outside of Gems & Gemmology.

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Some Observations on the Treatment of Lavender Jadeite

John I. Koivula, March 1, 1982

This article discusses the results of an experiment conducted on heat-treated lavender jadeite.

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Identification of Bleached and Polymer-Impregnated Jadeite

Emmanuel Fritsch, Shun-Tien Ten Wu, September 1, 1992

Article, Identification, Jadeite, “Bleaching”, Polymer Impregnation, Jade Treatments

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The internal structures of natural pearls from the marine mollusk Pinctada maxima are the subject of the lead article in this issue. The scattered loose pearls on the cover are from Paspaley’s natural pearl collection, which includes one discovered in the 1970s at the Eighty Mile Beach fishing grounds
G&G Spring 2021 Edition
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