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.
The Elahera Gem Field in Central Sri Lanka
The Elahera gem field currently provides approximately 35% of the gemstones exported from Sri Lanka.
'Cobalt-Blue' Gem Spinels
Similarities between natural spinels - with intense blue colour - and synthetic material, have led to difficulties in the recognition of the natural stones by traditional methods.
Abstracts; Summer 1991
From the Summer 1991 issue of Gems & Gemmology, a summary of important gemmology-related articles published in other journals.
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.