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

Roger Weller, geology instructor

wellerr@cochise.edu     copyright 2012-R.Weller

 
Australian opal-uncut-1
Opals are under water.

 


opal                                                                                                                                                                              rough1

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