Amber Gemstone | Amber Stone

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Amber

Amber is nature’s time capsule. This fossilized tree resin contains remnants of life on earth millions of years ago.

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Research

Summer 1991 G&G; Lab Notes

Summer 1994 Gem News International

Spring 2008 Gem News International

Coloring of Topaz by Coating and Diffusion Processes: An X-Ray Photoemission Study of What Happens Beneath the Surface

Surface-treated topaz has become a viable alternative to topaz colored by irradiation.

Summer 2008 Gem News International

Fall 1981 Gem News International

Fall 2009 G&G Lab Notes

This section, from the Fall 2009 issue of Gems & Gemology, is a compilation of interesting finds from GIA’s laboratories.

Fall 2011 Gem News International

Spring 1981 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 1982 Gem News International

Spring 1983 Gem News International

Fall 1996 Gem News International

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This Month's

Featured Gems

PERIDOT

Found in lava, meteorites, and deep in the earth’s mantle, yellow-green peridot is the extreme gem.

FANCY COLOR DIAMOND

Dazzling brilliance. Captivating color. These are the planet’s most valued gems.

DIAMOND

Diamonds are among nature’s most precious and beautiful creations.

EMERALD

Emerald is the bluish green to green variety of beryl, a mineral species that includes aquamarine.

CITRINE