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Paraguanajuatite: Bi2(Se,S)3 Platynite: (Bi,Pb)3(Se,S)4
Comments: Bright metallic gray platy crystalline platynite, with dull black paraguanajuatite.
Location: Falun, Kopparberg, Sweden.
Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species