Quartz Photos
Cochise College               
Photos of Minerals
Geology Home Page

Roger Weller, geology instructor

[email protected]    copyright 2014-R.Weller

 
citrine and amethyst geodes from Brazil-6
At the 2014 Tucson Gem and Mineral Shows
Citrine was produced by heat treating amethyst.
 

quartz-citrine                                                                                                                                 4566
Photo is copyright free for non-commercial educational uses.
Just credit photo to R.Weller/Cochise College.