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These mineral photos are copyrighted by their owners and may not be used without permission.
Comments: Bronze-brown colored metallic valleriite, somewhat foliated.
Location: Pima Mine, near Tucson, Pima County, Arizona, USA.
Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species
Valleriite: 4(Fe,Cu)S·3(Mg,Al)(OH)2 Plumbopalladinite: Pd3Pb2 Cubanite: CuFe2S3 Pentlandite: (Fe,Ni)9S8
Comments: Polished Section image (PPL) of plumbopalladinite (Pl) with polarite Po), surrounded by a rim of isoferroplatinum (Iso) with cubanite (Cu), pentlandite (Pe), and valleriite (Va).
Location: Majak Mine, Talnakh, Norilsk, Ural, Russia.
Scale: Picture Size 0.7 mm.
© Thomas Witzke