Penroseite Mineral Gallery

Penroseite Minerals

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Penroseite Mineral Gallery With 2 Images

Penroseite Image

Images:

Penroseite: (Ni,Co,Cu)Se2

Comments: Silvery metallic penroseite masses in matrix.
Location: Unnamed prospect in Pacajake Canyon, near Culquechaca, Potosi, Bolivia. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Penroseite Image

Images:

Penroseite: (Ni,Co,Cu)Se2
Kitkaite: NiTeSe
Sederholmite: NiSe

Comments: B&W polished section image showing kitkaite replacing calcite in penroseite, clausthalite and sederholmite. Note the absence of the clausthalite envelope around kitkaite..
Location: Valley of the Kitka river in Kuusamo, northeast Finland. (AmMin, v50:581). Scale: 100 X.
© American Mineralogist

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