Star Sapphire Photos      
Cochise College                                                                          
Photos of Gemstones
Translucent Gemstones

Geology Home Page
Roger Weller, geology instructor               

Star Sapphire
last edited: 11/15/17    number of photos:  7                                          
Sapphire is corundum, Al2O3                                             
hardness: 9                                                                 
sapphire as the mineral corundum


lectures on star sapphire
Star Rubies and Sapphires- Katie Stilwell 
black star sapphire cabochons:  A  B  C  D E
pale star sapphires: 

star sapphire ring

Photos are copyright free for non-commercial educational uses. 
Just credit photos to R.Weller/Cochise College.
copyright 2017-R.Weller