Aquamarine, Maxixe-type (irradiated) beryl, and two types of hydrothermally grown synthetic blue beryl currently available in the marketplace were investigated using various gemmological methods.
Read MoreFrom the Summer 1991 issue of Gems & Gemmology, a summary of important gemmology-related articles published in other journals.
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Natural gemstones are typically far more valuable than synthetic ones, so being able to identify them correctly is a powerful skill.
Read MoreA survey of the current gemmological knowledge of pegmatites, including the gem varieties aquamarine, tourmaline and topaz.
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The authors have encountered hundreds of polymer-filled aquamarines in the Chinese jewellery market.
Read MoreThis article, from the Spring 1991 issue of Gems & Gemmology, is a compilation of abstracts of important gemmology-related articles published outside of Gems & Gemmology.
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Examination of a large private collection of beads and carvings from antique excavations, assembled in the 1970s by a collector in Afghanistan.
Read MoreAn overview of the plentiful and various gem materials being discovered and produced in Afghanistan.
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Aquamarine from granitic pegmatites of the Masino-Bregaglia Massif, Central Alps, Italy.
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