Alexandrite
A twinned alexandrite crystal. Alexandrite is a variety of chrysoberyl (beryllium aluminum oxide) and is named after the former Czar of Russia, Alexander II
Picture No
10711159
Media ID
47584840
Size
3411px x 3344px
(6.4MB)
Credit
Mary Evans / Natural History Museum
Source
Photograph from the Natural History Museum Collection
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Aluminium Aluminum Beryllium Chrysoberyl Chrysolite Crysolite Mineral Oxide Spinel
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