wigmund: From Mindat.Org Photo Of The Day; November 19,…

wigmund:

From Mindat.Org Photo Of The Day; November 19, 2016:

Polydymite: Ni2+Ni3+2S4; Bismuthinite: Bi2S3

Locality: Grüneau Mine (Grüne Au Mine; Grünau Mine), Schutzbach, Betzdorf, Siegerland, Rhineland-Palatinate, Germany

Isometric grey metallic Polydymite with Bismuthinite needles. Sony Nex 7, bellows, Mitutoyo Plan Apo 10x, aperture, THK linear actor, stack shot control. Collection and Photo: Stephan Wolfsried

Geology Nerd

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