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Classifying Emerald Clarity Enhancement at the GIA Gem Trade Laboratory

Shane F. McClure, Thomas M. Moses, December 1, 1999

One of the greatest concerns with emerald filling is the degree of clarity enhancement such treatment represents

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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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