bismutite

bismutite
/biz"meuh tuyt'/, n.
a mineral, bismuth carbonate, resulting from the alteration of bismuth minerals: a minor source of bismuth.
[ < G Bismutit, equiv. to Bismut BISMUTH + -it -ITE1]

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      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).

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Universalium. 2010.

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