Calcite with Chalcopyrite and Pyrite

Boldut Mine, 61 level, ↓350m., Cavnic, Maramures  Romania (04/1999)

Specimen size: 14.5 × 10 × 6.5 cm = 5.71” × 3.94” × 2.56”
Main crystal size: 1.3 × 0.8 cm = 0.51” × 0.31”