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Man sits next to microscope.
Tucson Visit Spurs Geology Professor and Publisher to Head Back to School

Geologist and publisher earns his GG so he can share more information on gem materials with visitors to, his Earth Science website.

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Gem-Bearing Pegmatites: A Review

A survey of the current gemmological knowledge of pegmatites, including the gem varieties aquamarine, tourmaline and topaz.

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Abstracts; Summer 1991

From the Summer 1991 issue of Gems & Gemmology, a summary of important gemmology-related articles published in other journals.

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