Explore GIA’s collection of free, rare digital books and manuscripts that document the history of gems and jewellery.
Read MoreFine amethysts have been set in religious jewellery and crown jewels for centuries. It was once considered equal in value to ruby, emerald and sapphire.
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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.
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.
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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.
Read MoreFor more than a century, the Four Peaks mine in Maricopa County, Arizona, has produced gem-quality amethyst.
Read MoreFrom the Summer 1991 issue of Gems & Gemmology, a summary of important gemmology-related articles published in other journals.
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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 MoreBrazil is currently the leader in overall production of amethyst.
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