the quarterly journal of the gemological institute of america
the quarterly journal of the gemological institute of america
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GIA’s 2018 Symposium: Up and Away!
Susan M. Jacques
An overview of the Fall 2018 Gems & Gemology content.
Speaker Presentations (7)
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Colored Stones and Pearls
Abstracts of speaker presentations from the “Colored Stones and Pearls” session of GIA’s 2018 International Gemological Symposium.
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Diamond Geology
Abstracts of speaker presentations from the “Diamond Geology” session of GIA’s 2018 International Gemological Symposium.
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Diamond Identification
Abstracts of speaker presentations from the “Diamond Identification” session of GIA’s 2018 International Gemological Symposium.
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Gem Characterization
Abstracts of speaker presentations from the “Gem Characterization” session of GIA’s 2018 International Gemological Symposium.
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Gem Localities and Formation
Abstracts of speaker presentations from the “Gem Localities and Formation” session of GIA’s 2018 International Gemological Symposium.
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General Gemology and Jewelry
Abstracts of speaker presentations from the “General Gemology and Jewelry” session of GIA’s 2018 International Gemological Symposium.
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New Technologies and Techniques
Abstracts of speaker presentations from the “New Technologies and Techniques” session of GIA’s 2018 International Gemological Symposium.
Read MoreSymposium Features
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Futurescape Forum
A recap of the high-powered panel from the Symposium's closing session.
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MOST VALUABLE ARTICLE AWARD
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Big Sky Country Sapphire: Visiting Montana’s Alluvial Deposits
Tao Hsu, Andrew Lucas, Robert E. Kane, Shane F. McClure, and Nathan D. Renfro
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Colombian Emerald Industry: Winds of Change
Darwin Fortaleché, Andrew Lucas, Jonathan Muyal, Tao Hsu, and Pedro Padua
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Characterization of Mg and Fe Contents in Nephrite Using Raman Spectroscopy
Xiaoyan Feng, Yong Zhang, Taijin Lu, and Hui Zhang
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the archive
past gems & gemology issues