Photos of Opals
Cochise College    
Opal Cabochons  
Virtual Geology Museum      Hall of Gemstones  
Geology Home Page

Roger Weller, geology instructor

wellerr@cochise.edu     copyright 2008-R.Weller

 
opal doublet-2
 

Photo is copyright free for non-commercial educational uses. 
Just credit photo to R.Weller/Cochise College.
 

Gemstone courtesy of Neotric Gems, Inc.
 Specializing in high quality gemstones
 P.O. Box 260364, Plano, Texas 75026
 Phone: (972)312-1511
 E-mail: neotricgems@yahoo.com