Quartz Photos
Cochise College               
Photos of Minerals
Geology Home Page

Roger Weller, geology instructor

[email protected]    copyright 2015-R.Weller

 
amethyst crystal geode-9
Brazil


quartz-amethyst                                                                                                                           5066
Photo is copyright free only for non-commercial educational uses.
Just credit photo to R.Weller/Cochise College.