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Comments: Equant, dark gray, metallic crystals of siegenite on matrix.
Location: LaMotte mine, Fredericktown, Madison County, Missouri, USA.
Scale: Not Given.
© Lou Perloff / Photo Atlas of Minerals
Siegenite: (Ni,Co)3S4 Cattierite: CoS2
Comments: Pinkish metallic cattierite, intergrown with gray siegenite.
Location: Shinkolobwe, Katanga, Shaba, Zaire.
Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species