Star Ruby Photos          
Cochise College                                                                                                                                  
Photos of Gemstones
Translucent Gemstones

Geology Home Page
Roger Weller, geology instructor                       

wellerr@cochise.edu


Star Ruby
last edited:  11/20/17    number of photos:  21                                   
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
 

microscopic views of star rubies
star ruby cabochons:   A  B  C
rutile fibers in star rubies:   A  B  C
inclusions in star rubies:   A  B  C
crystal banding:  
A
 

jewelry
synthetic star ruby earrings

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