Tetrahedrite with Calcite and Pyrite

Boldut Mine, Cavnic mining area, Cavnic, Maramures  Romania (1992)

Specimen size: 13.7 × 10.2 × 4 cm = 5.39” × 4.02” × 1.57”
Main crystal size: 1.3 × 1.2 cm = 0.51” × 0.47”