Chalcocite with Pyrite

Las Cruces Mine, Gerena-Guillena-Salteras, Comarca Sierra Norte, Seville, Andalusia  Spain

Specimen size: 3.4 × 2.4 × 2.1 cm = 1.34” × 0.94” × 0.83”
Main crystal size: 1 × 0.6 cm = 0.39” × 0.24”