Calcite with Quartz, Dolomite and Chalcopyrite

Cavnic mining area, Cavnic, Maramures  Romania

Specimen size: 13.2 × 10.5 × 6 cm = 5.20” × 4.13” × 2.36”
Main crystal size: 6.5 × 3.5 cm = 2.56” × 1.38”