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Cat’s-Eye Alexandrite with Unique Inclusion Pattern

Makoto Miura and Yusuke Katsurada, January 26, 2018

Examination of a chatoyant alexandrite cabochon.

Summer 2004 G&G Lab Notes

June 1, 2004

This section, from the Summer 2004 issue of Gems & Gemmology, is a compilation of interesting finds from GIA’s laboratories.

Summer 1982 G&G Lab Notes

June 1, 1982

This section, from the Summer 1982 issue of Gems & Gemmology, is a compilation of interesting finds from GIA's laboratories.