Johnwalkite Mineral Gallery

Johnwalkite Mineral Gallery
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Johnwalkite Minerals

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Johnwalkite Mineral Gallery With 2 Images

Johnwalkite Image

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Johnwalkite: K(Mn++,Fe+++,Fe++)2(Nb,Ta)(PO4)2O2((H2O),OH)2

Comments: Fragment of translucent johnwalkite.
Location: Champion Mine, Keystone District, Pennington Co., South Dakota, USA. Scale: Crystal length 1 mm.
© Jeff Weissman / Photographic Guide to Mineral Species

Johnwalkite Image

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Johnwalkite: K(Mn++,Fe+++,Fe++)2(Nb,Ta)(PO4)2O2((H2O),OH)2

Comments: Fragment of translucent johnwalkite.
Location: Champion Mine, Keystone District, Pennington Co., South Dakota, USA. Scale: Crystal length 1 mm.
© Jeff Weissman / Photographic Guide to Mineral Species