Sri Lanka: The Gem Island
An overview of the many types of gem-quality material, and its inclusions, currently found in Sri Lanka.
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Iolite from the Thor-Odin Dome, British Columbia, Canada: Geology, Chemical Composition, Inclusions, and Cause of Chatoyancy
Reports on the geological setting and gemological properties of violet-blue gem cordierite from new deposits located in British Columbia.
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Press Release
GIA Offers $2 Million in Scholarships for 2019
CARLSBAD, Calif. – Aug. 6, 2018 – GIA has $2 million in scholarships available for established and aspiring gem and jewelry professionals.
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