Examines the internal structure, chemical composition and spectroscopic features of 22 pen pearls.
Read MoreG&G Brief presents an overview of the content of the Spring 2015 issue of Gems & Gemology.
Read MoreThis article, from the Winter 2009 issue of Gems & Gemmology, is a compilation of abstracts of important gemmology-related articles published outside of Gems & Gemmology.
Read MoreThis article, from the Autumn 2009 issue of Gems & Gemology, is a compilation of abstracts of important gemmology-related articles published outside of Gems & Gemology.
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