Kitkaite Penroseite Sederholmite Image

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Kitkaite, Penroseite, Sederholmite

Mineral:

Kitkaite: NiTeSe
Penroseite: (Ni,Co,Cu)Se2
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.

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