Alexandrite Photos           
Cochise College                                                                                                                      
Photos of Gemstones
Transparent Gemstones
Virtual Geology Museum
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Roger Weller, geology instructor                       

wellerr@cochise.edu

Alexandrite
last edited:  1/14/07    number of photos:  2
Alexandrite is chrysoberyl, BeAl₂O₄
hardness: 8.5

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.

faceted alexandrite
alexandrite, faceted:  A  B

Photos are copyright free for non-commercial educational uses. 
Just credit photos to R.Weller/Cochise College.

copyright 2008-R.Weller