chiviatite

\\ˌchivēˈäˌtīt\ noun (-s)

Etymology: German chiviatit, from Chiviato, Peru, its locality + German -it -ite

: a mineral Pb₂Bi₆S₁₁ consisting of a lead bismuth sulfide in lead-gray foliated masses

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chiviatite

[Named 1853 from Chiviato, Peru, where found.]

A sulphide of bismuth and lead, of a metallic lustre and grey colour.

Dana Min. 86.