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

Roger Weller, geology instructor     copyright 2014-R.Weller

Nevada fire opal-3
Juniper Ridge Mine, Oregon


opal                                                                                                                                                  4734

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

Specimen is on display at the New York Museum of Natural History.