Chalcocite with Calcite

Dzhezkazgan Mine, Dzhezkazgan, Karaganda Region  Kazakhstan (1997)

Specimen size: 6 × 3.2 × 2.2 cm = 2.36” × 1.26” × 0.87”
Main crystal size: 1.4 × 1.3 cm = 0.55” × 0.51”