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GIA's Gübelin Gem Project: Various Gems, Taaffeite - Zoisite

Among the collection assembled by Dr Edward Gübelin are a number of uncommon gemstones from many worldwide localities.

Article

Shenzhen: The Frontier of China’s Gem and Jewellery Industry

Tao Hsu, January 25, 2016

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.

Abstract Header from the 2009 issue of Gems & Gemology

Abstracts; Summer 2009

Brendan M. Laurs, Thomas W. Overton

This article, from the Summer 2009 issue of Gems & Gemmology, is a compilation of abstracts of important gemmology-related articles published outside of Gems & Gemmology.

Gem-Quality Green Zoisite

N. R. Barot and Edward W. Boehm, March 1, 1992

A new transparent, gem-quality green zoisite has been discovered in the Merelani Hills of mineral-rich Tanzania.

Abstracts; Autumn 1991

Dona M. Dirlam

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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