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

wellerr@cochise.edu
 

Ruby
last edited:  1/22/08    number of photos:  24
Ruby is red-colored corundum, Al₂O₃                          
The red color comes from the presence of chromium.
corundum as a mineral

lectures on rubies
Rubies- Michelle Cruz 
Rubies- Shawn Kellerman
 
faceted rubies

ruby, faceted:  A  B  C  D  E*  F*  G*  H*  I*  J*

ruby, faceted-lab created:  A

rubies in jewelry
ruby, beads:  A  B  C  D  E                                                       

ruby, ring:  A  B                                                                                                                                           
ruby earrings:  A                                                                                                                                 

rubies, uncut
ruby, crystals:  A  B  C  D  E

Photos are copyright free for non-commercial educational uses. 
Just credit photos to R.Weller/Cochise College.
copyright 2008-R.Weller