Quartz Photos  

Cochise College       
Photos of Bisbee Minerals

Geology Home Page

Roger Weller, geology instructor

wellerr@cochise.edu      copyright 2011-R.Weller
 

amethyst crystals, pyrite, and selenite-A
Bisbee, Arizona

This is a very unusual combination of a sulfide, sulfate, and silicate.

 

quartz-amethyst                                                                                                                               1a

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