Bournonite with Sphalerite and Pyrite

Herja Mine, Chiuzbaia, Baia Sprie, Maramures  Romania (1960-1970)

Specimen size: 11.5 × 10.2 × 4.1 cm = 4.53” × 4.02” × 1.61”
Main crystal size: 2 × 1.5 cm = 0.79” × 0.59”