Quartz Photos
Cochise College               
Photos of Minerals
Geology Home Page

Roger Weller, geology instructor

[email protected]    copyright 2011-R.Weller

 
chert-1
a very colorful chert
 

quartz-chert                                                                                                                                  075b
Photo is copyright free for non-commercial educational uses.
Just credit photo to R.Weller/Cochise College.

Specimen from the Cochise College collection
cochise075