Chalcocite with Pyrite

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

Specimen size: 2.4 × 1.5 × 0.8 cm = 0.94” × 0.59” × 0.31”
Main crystal size: 0.4 × 0.4 cm = 0.16” × 0.16”