Difference between revisions of "Gypsum"
From London's Ghost Acres
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{{Raw material | {{Raw material | ||
+ | |has description=Gypsum is a soft sulfate mineral composed of calcium sulfate dihydrate, with the chemical formula CaSO4·2H2O. It is widely mined and is used as a fertilizer, and as the main constituent in many forms of plaster, blackboard chalk and wallboard. | ||
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+ | https://en.wikipedia.org/wiki/Gypsum | ||
|comes from=Canada | |comes from=Canada | ||
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==Description== | ==Description== | ||
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Revision as of 14:37, 12 May 2016
Gypsum is a soft sulfate mineral composed of calcium sulfate dihydrate, with the chemical formula CaSO4·2H2O. It is widely mined and is used as a fertilizer, and as the main constituent in many forms of plaster, blackboard chalk and wallboard.
https://en.wikipedia.org/wiki/Gypsum
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