Star Ruby Photos          
Cochise College                                                                                                                                  
Photos of Gemstones
Translucent Gemstones
Virtual Geology Museum
Hall of Gemstones
Geology Home Page
Roger Weller, geology instructor                       

wellerr@cochise.edu

Star Ruby
last edited:  12/27/07    number of photos:  12                                   
Ruby is corundum, Al₂O₃
hardness: 9
ruby as the mineral corundum

lectures on star ruby
Star Rubies and Sapphires- Katie Stilwell  (Fall 2007)
 
cabochons
star ruby cabochons:  A  B  C  D  E  F  G  H  I*  J 
synthetic star ruby cabochons:  A
 

jewelry
synthetic star ruby earrings

Photos are copyright free for non-commercial educational uses. 
Just credit photos to R.Weller/Cochise College.
copyright 2007-R.Weller