Sphalerite with Chalcopyrite and Galena

Commodore Mine, Creede District, Mineral County, Colorado  USA

Specimen size: 6.5 × 4.2 × 2.6 cm = 2.56” × 1.65” × 1.02”
Main crystal size: 1.3 × 1.3 cm = 0.51” × 0.51”