Quartz Photos
Cochise College               
Photos of Minerals
Geology Home Page

Roger Weller, geology instructor

wellerr@cochise.edu    copyright 2016-R.Weller

 
smoky quartz -3
Feldspar is embedded in surface of smoky quartz crystal.
Colorado
 

quartz                                                                                                                                             5507
Photo is copyright free for non-commercial educational uses.
Just credit photo to R.Weller/Cochise College.