Category Sulfide minerals Strunz classification 2.HB.10a Space group P21/n | Formula
(repeating unit) Pb22Cu4(Bi,Sb)30S69 Crystal system Orthorhombic | |
 | ||
Crystal class Dipyramidal (mmm)
H-M symbol: (2/m 2/m 2/m) | ||
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.
References
Kobellite Wikipedia(Text) CC BY-SA