Gypsum Cross

Gypsum
Calcium Sulfate Hydrate, CaSO4.2H2O

Gypsum is a common mineral of widespread and abundant occurrence. It is formed during the evaporation of the waters of inland seas and salt lakes and is a common constituent of the oxidized zones of sulfide ores.


Rocks from Bob's Collection

Index of Specimen Images

Table of Contents

bkeller@rockhounds.com 8/15/95