Corundum Photos 
Cochise College               
Photos of Minerals
Virtual Geology Museum      Hall of Minerals

Geology Home Page

Roger Weller, geology instructor

wellerr@cochise.edu     copyright 2008-R.Weller 

 
corundum-rubies and sapphires
Rubies are red corundum.  All other colors of corundum are classified as sapphires. 
These water-worn crystals of rubies and sapphires are each less than one
centimeter in diameter.
 

corundum
Photo is copyright free for non-commercial educational uses.
Just credit photo to R.Weller/Cochise College.