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Article
GIA's Gübelin Gem Project: Spinel

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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Multi-colored gems are superimposed on an image of glacier peaks.
Article
Gems and Minerals from the Sub-Arctic

Circumnavigate the boreal reaches of the globe to explore gems from polar regions.

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Ruby-bearing gravel bed in Mugloto.
Update on Gemstone Mining in Northern Mozambique

Recounts an expedition to Mozambique’s important deposits of ruby, spinel and tourmaline, which have yet to be fully explored.

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Diaz needs to crouch low as he makes his way through jungle terrain with a backpack on. He wears boots and gloves to protect him on the uncut path.
Article
30-Year Marine Corps Veteran Fulfils Dream of Becoming a Field Gemmologist

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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Worker attaching wax forms
Article
Shenzhen: The Frontier of China’s Gem and Jewellery Industry

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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Update on gemstone mining in Luc Yen, Vietnam

Explores the emergence of the Luc Yen area as a producer of corundum, spinel, tourmaline and other coloured stones.

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Abstracts; Summer 1991

From the Summer 1991 issue of Gems & Gemmology, a summary of important gemmology-related articles published in other journals.

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The Elahera Gem Field in Central Sri Lanka

The Elahera gem field currently provides approximately 35% of the gemstones exported from Sri Lanka.

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Abstracts; Winter 1991

This article, from the Winter 1991 issue of Gems & Gemmology, is a compilation of abstracts of important gemmology-related articles published outside of Gems & Gemmology.

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Abstracts; Autumn 1991

This 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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