Seligmannite

{{Infobox mineral | name = Seligmannite | category = Sulfide minerals | image = Seligmannite-217331.jpg | imagesize = | caption = Seligmannite from Palomo mine, Castrovirreyna Province, Huancavelica Department, Peru | formula = PbCuAsS₃ | IMAsymbol = Seli<ref>{{Cite journal|last=Warr|first=L.N.|date=2021|title=IMA–CNMNC approved mineral symbols|journal=Mineralogical Magazine|volume=85|issue=3|pages=291–320|doi=10.1180/mgm.2021.43|bibcode=2021MinM...85..291W|s2cid=235729616|doi-access=free}}</ref> | molweight = 441.87 g/mol | strunz = 2.GA.50 | system = Orthorhombic | class = Dipyramidal (mmm) <br/>H-M symbol: (2/m 2/m 2/m) | symmetry = ''Pmmn'' | color = Lead gray to black | habit = Massive to crystalline | twinning = On {110} very common | cleavage = Indistinct on the {001}, {100}, and {010} | fracture = Conchoidal | tenacity = Brittle | mohs = 3 | luster = Metallic | polish = | refractive = | opticalprop = Anisotropic | birefringence = | dispersion = | pleochroism = | fluorescence= | absorption = | streak = Black to chocolate brown | gravity = | density = 5.38 – 5.44 g/cm³ | melt = | fusibility = | diagnostic = | solubility = | diaphaneity = | other = | references = <ref>[http://www.mindat.org/min-3613.html Seligmannite: Seligmannite mineral information and data<!-- Bot generated title -->]</ref><ref>[http://www.webmineral.com/data/Seligmannite.shtml Seligmannite Mineral Data<!-- Bot generated title -->]</ref> }}

'''Seligmanite''' is a rare mineral, with the chemical formula PbCuAsS₃. Originally described from the Lengenbach Quarry, Valais Canton, Switzerland; it has also been found in the Raura district, Lima Region, Peru; at Tsumeb, Oshikoto Region, Namibia; and at the Sterling Mine, Sussex County, New Jersey, US.

==References== {{reflist}}

Category:Lead minerals Category:Copper(I) minerals Category:Arsenic minerals Category:Sulfosalt minerals Category:Orthorhombic minerals Category:Minerals in space group 59

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