Gypsum Photos 
Cochise College               
Photos of Minerals
Geology Home Page

Roger Weller, geology instructor

[email protected]    copyright 2011-R.Weller

 
gypsum-variety selenite-crystal

Ellsworth, Ohio
Gypsum is hydrous calcium sulfate.  When it occurs in a clear, transparent form,
it is also known as selenite.  When gypsum is allow to crystallize in an unrestricted
environment, it forms the typical shape seen below.
 

gypsum                                                                                                                                   selenite1
Photo is copyright free only for non-commercial educational uses.
Just credit photo to R.Weller/Cochise College.