Twenty-two gem opals from a new volcanic deposit located near Bemia

This section, from the Summer 2012 issue of Gems & Gemology, is a compilation of interesting finds from GIA’s laboratories.

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.

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 Summer 2007 issue of Gems & Gemology, is a compilation of interesting finds from GIA’s laboratories.

This section, from the Spring 1986 issue of Gems & Gemology, is a compilation of interesting finds from GIA’s laboratories.

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.