This type of pink pyrope garnet, believed to have been mined in Tanzania, shows a distinct color-change phenomenon resulting from its unique chemical composition.
Read MoreThis article, from the Winter 1991 issue of Gems & Gemology, is a compilation of abstracts of important gemology-related articles published outside of Gems & Gemology.
Read MoreFrom the Summer 1991 issue of Gems & Gemology, a summary of important gemology-related articles published in other journals.
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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.
Read MoreAn explanation of the basic principles of the SEM-EDS system with examples of its efficacy in the field of gemology.
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The Mumbai laboratory finds a fraudulent GIA inscription on synthetic moissanite.
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Abstracts of speaker presentations from the “Colored Stones and Pearls” session of GIA’s 2018 International Gemological Symposium.
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Article
The third in the series, "Sapphire: A Crystal With Many Facets," this article looks at various emerging applications for synthetic sapphire.
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Abstracts of speaker presentations from the “Gem Characterization” session of GIA’s 2018 International Gemological Symposium.
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Abstracts of speaker presentations from the “General Gemology and Jewelry” session of GIA’s 2018 International Gemological Symposium.
Read More.jpg "YMAL GIA Ed")
