Quartz Photos
Cochise College               
Photos of Minerals
Geology Home Page

Roger Weller, geology instructor

[email protected]    copyright 2016-R.Weller

 
amethyst crystals-11
Veracruz, Mexico
 

quartz-amethyst                                                                                                                            5421
Photo is copyright free only for non-commercial educational uses.
Just credit photo to R.Weller/Cochise College

courtesy of Mineralia