Mineral: Copper
Locality: Phoenix Mine, Phoenix, Keweenaw County, Michigan, USA
Dimensions: 10.5 x 10.5 x 19.5 cm
Description: Main crystal size: 2.0 cm
Slender sheaf of sharp-edged crystals with twinned crystals
MIM number: 312
Photographer: AINU / Alessandro Clemenza
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