Corundum Photos         
Cochise College       
Photos of Minerals
Geology Home Page
Roger Weller, geology instructor               

rubies and sapphires


last edited:  12/16/15   number of photos:  24
Corundum is Al2O3
Mineral information on corundum                                   

common corundum crystals:  1  2  3  4  5  6
corundum-rubies and sapphires
corundum-sapphire crystals: 1  2
sapphire crystals from Burma:  1  2  3  4  5
corundum-ruby crystals:  1  2  3
corundum-faceted rubies-1
corundum-polished star rubies-1
corundum-faceted blue sapphires
corundum-faceted pale blue sapphires
corundum-faceted yellow sapphires
synthetic (lab created) rubies
ruby in zoisite:  1

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Just credit photos to R.Weller/Cochise College.
copyright 2015-R.Weller