◂ BACK TO GEM ENCYCLOPEDIA
Opal
Fireworks. Jellyfish. Galaxies. Lightning. Opal's shifting play of kaleidoscopic colors is unlike any other gem.
See Gem As
Tools
Research
Spring 1982 Gem News International
Spring 1982 G&G; Lab Notes
New Occurrence of Fire Opal from Bemia, Madagascar
Twenty-two gem opals from a new volcanic deposit located near Bemia
Summer 2012 G&G; Lab Notes
This section, from the Summer 2012 issue of Gems & Gemology, is a compilation of interesting finds from GIA’s laboratories.
Summer 2006 Gems News International
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.
Summer 2007 Gem News International
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.
Summer 2007 G&G Lab Notes
This section, from the Summer 2007 issue of Gems & Gemology, is a compilation of interesting finds from GIA’s laboratories.
Spring 1983 G&G; Lab Notes
Spring 1985 Gem News International
Spring 1986 G&G Lab Notes
This section, from the Spring 1986 issue of Gems & Gemology, is a compilation of interesting finds from GIA’s laboratories.
Spring 1987 Gem News International
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.
