Bornite after Chalcocite with Sb-bearing Tennantite-(Fe)

Las Cruces Mine, fase 6, levels 130-135, ↓175 m., Gerena-Guillena-Salteras, Comarca Sierra Norte, Seville, Andalusia  Spain (01/2020)

Specimen size: 12.5 × 7.1 × 2.5 cm = 4.92” × 2.80” × 0.98”