Quartz Photos
Cochise College               
Photos of Minerals
Geology Home Page

Roger Weller, geology instructor

wellerr@cochise.edu    copyright 2016-R.Weller

 
quartz geode-13
quartz crystals filling a cavity a thunderegg (lithophysa)
Mexico
 

quartz-geode                                                                                                                                 6259
Photo is copyright free for non-commercial educational uses.
Just credit photo to R.Weller/Cochise College.