Provides a visual guide to the internal features of natural, synthetic, and treated diamonds.
Read MoreAn overview of Australia's recent significance in the production of blue sapphire.
Read MoreProvides a visual guide to the internal features of natural, synthetic, and treated emeralds.
Read MoreProvides a visual guide to the internal features of natural, synthetic, and treated rubies.
Read MoreA newly discovered mineral, crowningshieldite, was accepted on September 18, 2018, by the International Mineralogical Association.
Read MorePoster abstracts on “Gem Localities and Formation” from GIA’s 2018 International Gemological Symposium.
Read MorePoster abstracts on “Colored Stones and Pearls” from GIA’s 2018 International Gemological Symposium.
Read MorePoster abstracts on “Diamond Geology” from GIA’s 2018 International Gemological Symposium.
Read MorePoster abstracts on “Diamond Identification” from GIA’s 2018 International Gemological Symposium.
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