Roger Weller, geology instructor
email@example.com copyright 2010-R.Weller
common corundum crystal-2
This crystal of common corundum is from Canada and is about 5 centimeters long.
The pinkish-orange material in which it is embedded is orthoclase feldspar.
Photo is copyright free only for non-commercial educational uses.
Just credit photo to R.Weller/Cochise College.