Rhodochrosite with Quartz, Chalcopyrite and Pyrite

Champion Mine, Cinnamon Pass, Lake City, Hinsdale County, Colorado  USA

Specimen size: 6.6 × 4.4 × 3.5 cm = 2.60” × 1.73” × 1.38”
Main crystal size: 0.2 × 0.2 cm = 0.08” × 0.08”