Chalcopyrite with Quartz and Calcite

Boldut Mine, Cavnic mining area, Cavnic, Maramures  Romania (1994)

Specimen size: 6.1 × 4 × 2.7 cm = 2.40” × 1.57” × 1.06”
Main crystal size: 1.5 × 1 cm = 0.59” × 0.39”