Quartz Photos                
Cochise College
Photos of Bisbee Minerals
Geology Home Page
Hall of Minerals
Roger Weller, geology instructor                       

wellerr@cochise.edu


quartz, variety amethyst

 

Quartz
Bisbee, Arizona                                                                     
last edited:  4/11/17    number of photos:  7                                                           
Quartz is SiO2

 

photos

amethyst crystals:  A  B  C  D 

amethyst, pyrite, and selenite:  A  B
quartz stained by iron oxides:  A


Photos are copyright free for non-commercial educational purposes. 
Just credit photos to R.Weller/Cochise College.
copyright 2017-R.Weller
 

Also visit Photos of Minerals-  Quartz