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

Roger Weller, geology instructor     copyright 2012-R.Weller

Australian opalized shells, unpolished-3


Opal                                                                                                                                           network14

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

Opals courtesy of Opal Network

Specializing in precious opal and opal fossils
Steven Szeker
P.O. Box 1709, Lightning Ridge 2834 NSW, Australia
(612) 4176-34180