Chalcocite with Pyrite

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

Specimen size: 3.6 × 3.2 × 1.1 cm = 1.42” × 1.26” × 0.43”
Main crystal size: 0.4 × o.2 cm = 0.16” × 0.00”