Tetrahedrite with Quartz and Pyrite

Baia Sprie Mine, Baia Sprie, Maramures  Romania (1964)

Specimen size: 13.8 × 12.7 × 4.8 cm = 5.43” × 5.00” × 1.89”
Main crystal size: 1.4 × 1.2 cm = 0.55” × 0.47”