Rhodochrosite with Sphalerite

Sunnyside Mine group (American Tunnel Mine), Bonita Peak, Gladstone, Eureka District, San Juan County, Colorado  USA

Specimen size: 2.4 × 1.8 × 2 cm = 0.94” × 0.71” × 0.79”
Main crystal size: 0.8 × 0.7 cm = 0.31” × 0.28”