http://resource.geosciml.org/classifier/cgi/commodity-code/calcite
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| definition | A trigonal calcium carbonate mineral CaCO3 used in large crystal form for optics and as compound additive for soil remediation, soil stabilization and concrete repair. | ||||||
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| source | http://www.webmineral.com/data/Calcite.shtml http ; http//en.wikipedia.org/wiki/Calcite | ||||||
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| in scheme | commodity-code original | ||||||