Cuprite with Miersite

Poteryaevskoe Mine, Rubtsovsky District, Altai Krai  Russia (2011)

Specimen size: 4.2 × 3.3 × 3.2 cm = 1.65” × 1.30” × 1.26”
Main crystal size: 3.2 × 3.2 cm = 1.26” × 1.26”