Chalcopyrite with Pyrite (variety bravoite)

Maubacher Bleiberg, Untermaubach, Düren, Eifel, North Rhine-Westphalia/Nordrhein-Westfalen  Germany

Specimen size: 15.5 × 11.7 × 7.3 cm = 6.10” × 4.61” × 2.87”
Main crystal size: 2.2 × 2.1 cm = 0.87” × 0.83”