December 4, 2018
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 “Colored Stones and Pearls” session of GIA’s 2018 International Gemological Symposium.
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Abstracts of speaker presentations from the “New Technologies and Techniques” session of GIA’s 2018 International Gemological Symposium.
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