The Collaborative International Dictionary
Kobellite
Kobellite \Ko"bel*lite\, n. [From Franz von Kobell, of Munich.] (Min.) A blackish gray mineral, a sulphide of antimony, bismuth, and lead.
Wiktionary
kobellite
n. (context mineralogy English) A grey, fibrous, metallic mineral, a sulfide of antimony, bismuth, and lead.
Wikipedia
Kobellite
Kobellite (PbCu(Bi,Sb)S) 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 orthorhombic dipyramidal crystals. Locations include Hvena, Sweden; Ouray, Colorado; and Wake County, North Carolina, US. Named after Wolfgang Franz von Kobell (1803–1882), German mineralogist.