Gypsum Photos 
Cochise College               
Photos of Minerals
Virtual Geology Museum      Hall of Minerals

Geology Home Page

Roger Weller, geology instructor

wellerr@cochise.edu    copyright 2008-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
Photo is copyright free for non-commercial educational uses.
Just credit photo to R.Weller/Cochise College.