Quartz Photos
Cochise College               
Photos of Minerals
Geology Home Page

Roger Weller, geology instructor

wellerr@cochise.edu    copyright 2018-R.Weller

 
polished amethyst sphere-1
Brazil
At the 2018 Tucson Gem and Mineral Shows
 


quartz-amethyst                                                                                                                                 6755
Photo is copyright free only for non-commercial educational uses.
Just credit photo to R.Weller/Cochise Colle
ge.