Photos of Opals
Cochise College    
Opals- Rough Opal and Specimens
Geology Home Page

Roger Weller, geology instructor

wellerr@cochise.edu     copyright 2012-R.Weller

 
synthetic opal-4
slab of blue Gilson opal

 

opal                                                                                                                                       opex034

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

Opal specimen courtesy of Opex Opal
Specializing in precious opals and opal jewelry
Dagbjorn Johnson
P.O. Box 50548, Santa Barbara, California 93150
opexopal@verizon.com
opex@hotmail.com