Found in nearly every colour – most notably red, pink and blue – spinels are popular gemstones because of their abundance, moderate cost and attractiveness.
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Circumnavigate the boreal reaches of the globe to explore gems from polar regions.
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Recounts an expedition to Mozambique’s important deposits of ruby, spinel and tourmaline, which have yet to be fully explored.
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The rigours and often-harrowing conditions of gemmology field expeditions are no match for a 30-year Marine veteran with a love of gems.
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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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Explores the emergence of the Luc Yen area as a producer of corundum, spinel, tourmaline and other coloured stones.
Read MoreFrom the Summer 1991 issue of Gems & Gemmology, a summary of important gemmology-related articles published in other journals.
Read MoreThe Elahera gem field currently provides approximately 35% of the gemstones exported from Sri Lanka.
Read MoreThis article, from the Winter 1991 issue of Gems & Gemmology, is a compilation of abstracts of important gemmology-related articles published outside of Gems & Gemmology.
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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