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Abstracts; Spring 1991

This article, from the Spring 1991 issue of Gems & Gemology, is a compilation of abstracts of important gemology-related articles published outside of Gems & Gemology.

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Abstract Header from the 2009 issue of Gems & Gemology
Abstracts; Winter 2009

This article, from the Winter 2009 issue of Gems & Gemology, is a compilation of abstracts of important gemology-related articles published outside of Gems & Gemology.

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Cultured pearl prepped for analysis
A Look Inside a Remarkably Large Beaded South Sea Cultured Pearl

A study of the nacre and the cavity of a large Pinctada maxima cultured pearl yields a theory on the specimen’s formation.

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Blue Sapphires from the Baw Mar Mine in Mogok

Reports on the microscopic, chemical, and spectroscopic features that differentiate the high-quality Baw Mar sapphire from “classic” gem-quality Burmese sapphire.

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Silicon in Natural Type IIa and Type IaB Diamond

Silicon, normally associated with CVD synthetic diamond, may be found in natural diamond.

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Article
Sapphire Series Part 2: The Next Generation of Sapphire Crystal Growth Techniques

The second in the series, "Sapphire: A Crystal With Many Facets," this article looks at several advanced growth techniques.

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Article
Decades-Old Synthetic Alexandrite Sheds Light on Modern-Day Research Needs

An overview and commentary on the 2012 Journal of Gemmology article, “Flux-grown synthetic alexandrites from Creative Crystals Inc.”

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