| gypsum |
Mineral formed by evaporation, with the molecular structure: CaSO4.2H2O
출처: www.ozestuaries.org/oracle/ozestuaries/conceptual_...
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| gypsum |
Gypsum, one of the most widely used minerals in the world, literally surrounds us every day. Most gypsum in the United States is used to make wallboard for homes, offices, and commercial buildings; a typical new American home contains more than 7 metric tons of gypsum alone. Moreover, gypsum is used worldwide in concrete for highways, bridges, buildings, and many other structures that are part of our everyday life. ...
출처: www.energyweb.net/mining/jargon/default.asp
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| gypsum |
An inorganic substance that improves clay soils by leaching the salts that bind clay particles together.
출처: www.gardendesigns.com/glossary_e.htm
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| gypsum |
Crystals of native sulphate of lime. Being subjected to a moderate heat to expel the water of crystallisation, it forms plaster of Paris, and coming in contact with water immediately assumes a solid form. Of the numerous species, alabaster is perhaps the most abundant.
출처: www.shef.ac.uk/architecture/main/gallery/gal/diplo...
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| gypsum |
a sulfate mineral with the chemical formula of CaSO4*2H2O
출처: tes.asu.edu/webdata/glossary.html
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