KM86M8: Sphalerite with Chalcopyrite - Emperius Mine, Colorado USA
Sphalerite with Chalcopyrite

Emperius Mine, Creede District, Mineral County, Colorado  USA

Specimen size: 13 × 7.5 × 3.3 cm = 5.1” × 3.0” × 1.3”
Main crystal size: 1.7 × 1.2 cm = 0.7” × 0.5”

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