Bismutite

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Bismutite or bismuthite is a bismuth carbonate mineral with formula Bi2(CO3)O2 (bismuth subcarbonate). Bismutite occurs as an oxidation product of other bismuth minerals such as bismuthinite and native bismuth in hydrothermal veins and pegmatites.[1] It crystallizes in the orthorhombic system and typically occurs as earthy to fibrous masses.[2]

It was first described in 1841 for an occurrence in Saxony.[2]

[edit] References

  1. ^ http://www.mindat.org/min-687.html Mindat
  2. ^ a b http://webmineral.com/data/Bismutite.shtml Webmineral
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