Rhodochrosite

Burgin Mine, Tintic District, East Tintic Mountains, Juab County, Utah  USA

Specimen size: 6.4 × 5.5 × 3.7 cm = 2.52” × 2.17” × 1.46”
Main crystal size: 1.3 × 1.1 cm = 0.51” × 0.43”