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Alexandrite

Green in sunlight. Red in lamplight. Color-changing alexandrite is nature’s magic trick.

Alexandrite
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Fall 2005 G&G; Lab Notes

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Summer 2004 G&G; Lab Notes

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Alexandrite Description

Alexandrite, with its chameleon-like qualities, is a rare variety of the mineral chrysoberyl. Its color can be a lovely green in daylight or fluorescent light, changing to brownish or purplish red in the incandescent light from a lamp or candle flame.

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Alexandrite History and Lore

The gem was named after the young Alexander II, heir apparent to the throne. It caught the country’s attention because its red and green colors mirrored the Imperial Russian flag.

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Alexandrite Quality Factors

Learn about the factors that make alexandrite so desirable.

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Alexandrite Care and Cleaning Guide

Learn about alexandrite's durability and how to care for your alexandrite jewelry.

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Summer 1982 G&G; Lab Notes

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Three-Phase Inclusion in Alexandrite

Examination of alexandrite reveals three phases of matter within a single inclusion suite.

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Winter 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.

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Russian Flux-Grown Synthetic Alexandrite

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Fall 1987 G&G; Lab Notes

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Fall 1988 G&G; Lab Notes

This section, from the Fall 1988 issue of Gems & Gemology, is a compilation of interesting finds from GIA’s laboratories.

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