James E. Shigley and Anthony R. Kamp, June 1, 1984
A survey of the current gemmological knowledge of pegmatites, including the gem varieties aquamarine, tourmaline and topaz.
Read MoreBrendan M. Laurs, Thomas W. Overton
This article, from the Summer 2010 issue of Gems & Gemology, is a compilation of abstracts of important gemmology-related articles published outside Gems & Gemology.
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