Chalcopyrite on Baryte, Dolomite, Calcite and Pyrite

Salomón Cut, bench 290, Rio Tinto Mines, Minas de Riotinto, Comarca Cuenca Minera, Huelva, Andalusia  Spain

Specimen size: 6.3 × 4.9 × 3.6 cm = 2.48” × 1.93” × 1.42”
Main crystal size: 0.4 × 0.3 cm = 0.16” × 0.12”