Gypsum Photos    

Cochise College
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Roger Weller, geology instructor                       

wellerr@cochise.edu

Gypsum 
last edited:  12/6/07  number of photos:  8
Gypsum is a chemical sedimentary rock made of the
mineral gypsum, CaSO₄.2H₂O. 
In order to distinguish the rock from
the mineral, it may also be called gypstone.                                 

photos
gypsum, banded:  A

gypsum, massive:  A  B  C  D

gypsum, satinspar:  A  B
gypsum, alabaster:  A

Photos are copyright free for non-commercial educational uses. 
Just credit photos to R.Weller/Cochise College.
copyright 2007-R.Weller