Gypsum Photos 
Cochise College               
Photos of Minerals
Geology Home Page

Roger Weller, geology instructor    copyright 2011-R.Weller

gypsum, variety selenite
swallowtail twin crystal-3

Naica, Chihuahua, Mexico


gypsum                                                                                                                                           2462
Photo is copyright free only for non-commercial educational uses.
Credit photo to R.Weller/Cochise College and Exhibit Museum.

Specimen on display at Exhibit Museum, University of Michigan
Ann Arbor, Michigan