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bismutite
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carbonate mineral
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bismutite

mineral
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History

bismutite, a bismuth subcarbonate, (BiO)2CO3, that has been formed as an alteration product of primary bismuth minerals in the oxidized portions of metal veins. Well-known localities include Cornwall, Eng., and the Tazna district, Bolivia. For detailed physical properties, see carbonate mineral (table).

This article was most recently revised and updated by John P. Rafferty.