“Quartz”; “Le Monde Mineral Vu Par Les Timbres: The World of Minerals through Postage Stamps”; “A Guide to Fossicking in the Northern Territory, 2nd Edition”

A compilation of gem news from around the world, covering topics such as localities, unusual gem materials, market news, new products, discoveries, jewelry manufacturing techniques, and industry trends.

This section, from the Winter 1987 issue of Gems & Gemology, is a compilation of interesting finds from GIA’s laboratories.

“The Heat Treatment of Ruby and Sapphire”; “Jade”

A compilation of gem news from around the world, covering topics such as localities, unusual gem materials, market news, new products, discoveries, jewelry manufacturing techniques, and industry trends.

This section, from the Spring 1993 issue of Gems & Gemology, is a compilation of interesting finds from GIA’s laboratories.

This section, from the Winter 1983 issue of Gems & Gemology, is a compilation of interesting finds from GIA’s laboratories.

“Synthetic Diamond: Emerging CVD Science and Technology”; “The Peking Diamonds”; “Colorado Rockhounding, A Guide to Minerals, Gemstones, and Fossils”; “Mineral Books”