baumhauerite

baumhauerite

[bau̇′mau̇·ə‚rīt]
(mineralogy)
Pb4 As6S13 A lead to steel gray, monoclinic mineral consisting of lead arsenic sulfide.
References in periodicals archive ?
These included baumhauerite, freieslebenite, livingstonite and meneghinite, as well as some familiar species like proustite.
Assemblages include: pyrite-hematite-realgar associated with high-silver mineralization consisting of a complex association which includes gratonite, baumhauerite, aramayoite, "waxy" sphalerite, and galena (Ward, 1961); and alunite-native sulfur rug fillings in enargite-pyrite pipes (Cerro de Pasco Corporation, 1950).
Aramayoite Arsenopyrite Baumhauerite Bismuthinite Bornite Calcite Chalcocite Chalcopyrite Covellite Freibergite (*)Gratonite Hematite Jamesonite Luzonite Magnetite Malachite Marcasite Native Copper Realgar Siderite Stannite Vivianite Wolframite
The mix of species is somewhat different, however, including such minerals as boulangerite, zinkenite, guettardite, robinsonite, baumhauerite, bindheimite and bournonite which are rarer or entirely absent at Carrara.
A black, metallic, acicular crystal removed from a specimen Collected at the Pitone quarry was found probably to be baumhauerite.