Mineral: Millerite
Locality: Estabrook Park, Milwaukee, Milwaukee County, Wisconsin, USA
Dimensions: 4,0 x 3,5 x 4,5 cm
Description: Main crystal size : 2,5 cm
Divergent tuft of thin, golden needles in the form of broom planted on a whitish gangue.
MIM number 1366
Photographer : AINU / Augustin de Valence
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