Quartz Photos
Cochise College               
Photos of Minerals
Geology Home Page

Roger Weller, geology instructor

wellerr@cochise.edu    copyright 2011-R.Weller

 
chalcedony geode-2
 

quartz-chalcedony                                                                                                             06
Photo is copyright free for non-commercial educational uses.
Just credit photo to R.Weller/Cochise College.

Specimen from the Cochise College collection