Quartz Photos
Cochise College               
Photos of Minerals
Geology Home Page

Roger Weller, geology instructor

[email protected]    copyright 2011-R.Weller

 
quartz-amethyst crystal-1
Brazil
 

quartz-amethyst                                                                                                           cacoxenite1
Photo is copyright free for non-commercial educational uses.
Just credit photo to R.Weller/Cochise College.