Anorthoclase Photos     
Cochise College               
Photos of Minerals
Geology Home Page

Roger Weller, geology instructor    copyright 2010-R.Weller

anorthoclase crystal-2
Mt. Erebus, Antarctica
Mt. Erebus is the only active volcano in Antarctica.
It is a young volcano (less than a million years old) with a lava lake.
These anorthoclase feldspar crystals are tossed out of the volcano during eruptions.
Size of crystal is about 7 centimeters.


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Photo is copyright free only for non-commercial educational uses.

Credit photo to Kimberley Stineburg/Cochise College.