Modern gemmologists use the word “jade” as a generic term for both nephrite and jadeite. These minerals have been linked throughout history.
Read MoreFrom the Summer 1991 issue of Gems & Gemmology, a summary of important gemmology-related articles published in other journals.
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A brief look at GIA's permanent museum exhibit at the New York lab and campus.
Read MoreAn examination of the various simulants of of nephrite and jadeite, and how to separate them from jade.
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