Quartz Photos
Cochise College               
Photos of Minerals
Geology Home Page

Roger Weller, geology instructor

[email protected]    copyright 2018-R.Weller

 
banded agate-1
Brazil
 

agate                                                                                                                                                                6729
Photo is copyright free only for non-commercial educational uses.
Just credit photo to R.Weller/Cochise College.