Kurt Nassau, George R. Rossman, September 1, 1992
Exposure of some colourless to pale-hued African grossulars to either 60Co or 137Cs gamma rays turns them light yellow-green.
Read MoreBrendan 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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