Quartz Photos
Cochise College               
Photos of Minerals
Geology Home Page

Roger Weller, geology instructor

wellerr@cochise.edu    copyright 2011-R.Weller

quartz-Pecos  "diamond"-1
Pecos River, New Mexico
A Pecos diamond is a doubly terminated quartz crystal,
colored by inclusions of gypsum


quartz                                                                                                                                             5027
Photo is copyright free for non-commercial educational uses.
Just credit photo to R.Weller/Cochise College.