Quartz Photos
Cochise College               
Photos of Minerals
Geology Home Page

Roger Weller, geology instructor

[email protected]    copyright 2018-R.Weller

 
amethyst from Brazil-14
amethyst crystal clusters
At the 2018 Tucson Gem and Mineral Shows
 

quartz                                                                                                                                                                        6751
Photo is copyright free only for non-commercial educational uses.
Just credit photo to R.Weller/Cochise College.