Difference between revisions of "Calcium Sulfate"
Jump to navigation
Jump to search
(number 2 on the Mohs Hardness Scale) |
(add more info, reference link) |
||
| Line 1: | Line 1: | ||
| − | '''Calcium sulfate''', also known as '''gypsum''', is an unusually soft [[mineral]] that occurs in [[nature]]. Gypsum is number 2 on the [[Mohs Hardness Scale]]. | + | '''Calcium sulfate''', also known as '''gypsum''', is an unusually soft [[mineral]] that occurs in [[nature]]. Gypsum is number 2 on the [[Mohs Hardness Scale]]. Gypsum is a key ingredient in [[cement]], plaster, and drywall. Crystallized gypsum is called [[Selenite]]. The [[chemical]] formula for gypsum is CaSO<sub>4</sub> · 2(H<sub>2</sub>O) <ref> http://www.white-sands-new-mexico.com/about_gypsum.htm</ref> |
| + | |||
| + | ==References== | ||
| + | |||
| + | <references/> | ||
[[Category:Minerals]] | [[Category:Minerals]] | ||
Revision as of 02:48, November 21, 2008
Calcium sulfate, also known as gypsum, is an unusually soft mineral that occurs in nature. Gypsum is number 2 on the Mohs Hardness Scale. Gypsum is a key ingredient in cement, plaster, and drywall. Crystallized gypsum is called Selenite. The chemical formula for gypsum is CaSO4 · 2(H2O) [1]