◂ 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
Winter 1983 G&G; Lab Notes
This section, from the Winter 1983 issue of Gems & Gemology, is a compilation of interesting finds from GIA’s laboratories.
Spring 1994 Gem News International
Spring 1994 G&G; Lab Notes
Winter 1984 Gem News International
Spring 1996 Gem News International
Winter 1984 G&G; Lab Notes
Spring 1997 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.
Spring 1997 G&G; Lab Notes
This section, from the Spring 1997 issue of Gems & Gemology, is a compilation of interesting finds from GIA’s laboratories.
Summer 1991 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.
Winter 2003 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.
Spring 2001 Gem News International
Spring 2002 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.
