Gemmological photojournalist Robert Weldon shares the stories behind some of his favourite photos.
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Circumnavigate the boreal reaches of the globe to explore gems from polar regions.
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Examination of aquamarine samples from a new primary deposit in San Luis Potosí, northern Mexico.
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All jewellery professionals are familiar with the city of Shenzhen, a global jewellery manufacturing centre and a leader of China’s fast-growing gem and jewellery industry. Join the GIA team as we tour the city and discover more about its leading jewellery brands.
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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 MoreThis article presents, for the first time, both gemmological and geologic information on topaz, aquamarine and other beryls from miarolitic pegmatites at Namibia’s historic Klein Spitzkoppe mineral locality.
Read MorePhysical, chemical, spectroscopic and microscopic characteristics of a sample of hydrothermally grown synthetic aquamarine from the USSR are presented.
Read MoreAn overview of the plentiful and various gem materials being discovered and produced in Afghanistan.
Read MoreFirst in a series, this article reviews the exploration for gemstones and mining methods in Minas Gerais, Brazil.
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Aquamarine from granitic pegmatites of the Masino-Bregaglia Massif, Central Alps, Italy.
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