last edited: 11/7/11 number of photos: 2
Alexandrite is chrysoberyl, BeAl2O4
Alexandrite is famous for its color change under different lighting
conditions. This gem appears greenish under sunlight and reddish
under tungsten light.
Alexandrite was discovered in 1830 in Russia and was named after
Czar Alexander II.
alexandrite, faceted: A B
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non-commercial educational uses.
Just credit photos to R.Weller/Cochise College.