Quartz Photos
Cochise College               
Photos of Minerals
Geology Home Page

Roger Weller, geology instructor

wellerr@cochise.edu    copyright 2011-R.Weller

citrine geodes from Brazil-2
At the 2008 Tucson Gem and Mineral Shows
Citrine was produced by heat treating amethyst.

quartz-citrine                                                                                                                                5441
Photo is copyright free for non-commercial educational uses.
Just credit photo to R.Weller/Cochise College.

Specimen courtesy of Bevipe Stones
Fernando Beneduzzi
Av. Julio De Castilhos, 3447, Soledade-RS-Brazil
CEP 99300-000-Caixa Postal 29
55-54 3381-5431