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Gemstones

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The Red Hot Gems of Summer

Sharon Bohannon, August 21, 2017

These red, pink and orange hued gems evoke passion and excitement – and are sure-fire accessories for sultry summer days.

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Sunstone Labradorite from the Ponderosa Mine, Oregon

Christopher L. Johnston, Mickey E. Gunter, December 1, 1991

The Ponderosa mine is now producing commercial quantities of the gem-quality labradorite feldspar known as sunstone.

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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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