Explore GIA’s collection of free, rare digital books and manuscripts that document the history of gems and jewellery.
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Arizona’s scenic desert and mountain landscape is the perfect backdrop for a modern Wild West road trip in search of gem and mineral treasures.
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A look at the artistic heritage of the Drehers, an influential family of gem carvers in Idar-Oberstein, Germany.
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A flower is one of nature’s most delicate delights, so it’s natural that jewellery designers have long found inspiration in them, seeking to capture their fleeting beauty in jewellery.
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Once upon a time, gem cutting was a strict craft bound by centuries of tradition. Then Bernd Munsteiner (b. 1943) invented the fantasy cut.
Read MoreFor more than a century, the Four Peaks mine in Maricopa County, Arizona, has produced gem-quality amethyst.
Read MoreThe proper use and limitations of IR spectroscopy for identifying natural versus synthetic amethyst of various types have been investigated, focusing on the region 3800–3000 cm-1.
Read MoreBrazil is currently the leader in overall production of amethyst.
Read MoreFrom the Summer 1991 issue of Gems & Gemmology, a summary of important gemmology-related articles published in other journals.
Read MoreThis article, from the Autumn 1991 issue of Gems & Gemology, is a compilation of abstracts of important gemmology-related articles published outside of Gems & Gemology.
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