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Alexandrite
Green in sunlight. Red in lamplight. Color-changing alexandrite is nature’s magic trick.
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Tools
Research
Inamori Synthetic Cat's-Eye Alexandrite
“Red” Chrysoberyl versus Alexandrite: The Impact of Elevated Chromium Levels on Color and Color-Change Properties
Spring 1991 G&G Lab Notes
Spring 2004 Gem News International
Alexandrite Care and Cleaning Guide
Learn about alexandrite's durability and how to care for your alexandrite jewelry.
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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.
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.
GIA's Gübelin Gem Project: Various Gems, Barite - Cuprite
Among the collection assembled by Dr. Edward Gübelin are a number of uncommon gemstones from many worldwide localities.
