Photos of Opals
Cochise College    
Opals in Jewelry
Geology Home Page

Roger Weller, geology instructor     copyright 2017-R.Weller

collection of opal rings-6

opal                                                                                                                                         opex068

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

Opal jewelry courtesy of Opex Opal
Specializing in precious opals and opal jewelry
Dagbjorn Johnson
P.O. Box 50548, Santa Barbara, California 93150