Includes detailed explanations of GIA’s origin determination procedures The Winter 2019 Gems & Gemology (G&G), the latest edition of GIA’s (Gemological Institute of America) quarterly professional journal, is devoted to an important discussion of the science, issues and limitations of geographic origin determination for colored stones by gemological laboratories. “Origin determination for colored gems is […]

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Glenn Nord, member of the GIA Board of Governors and past president of the Institute, passed away last week in USA, GIA announced in a statement recently. He had been associated with the institution in various capacities for 50 years, it added, and was a pioneer of both the corporate training programmes as well the […]

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