Difference between revisions of "Gypsum"
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− | | | + | |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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− | 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 | https://en.wikipedia.org/wiki/Gypsum | ||
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Latest 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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