Kobellite

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Kobellite
Kobellite-540285.jpg
Kobellite
General
Category Sulfide minerals
Formula
(repeating unit)
Pb22Cu4(Bi,Sb)30S69
Strunz classification 2.HB.10a
Crystal system Orthorhombic
Crystal class Dipyramidal (mmm)
H-M symbol: (2/m 2/m 2/m)
Space group P21/n
Identification
References [1][2][3]

Kobellite (Pb22Cu4(Bi,Sb)30S69) is a gray, fibrous, metallic mineral, a sulfide of antimony, bismuth, and lead. It is a member of the izoklakeite - berryite series with silver and iron substituting in the copper site and a vaying ratio of bismuth, antimony, and lead. It crystallizes with monoclinic pyramidal crystals. Locations include Hvena, Sweden; Ouray, Colorado; and Wake County, North Carolina, US. Named after Wolfgang Franz von Kobell (1803–1882), German mineralogist.

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