Chalcopyrite with Dolomite and Calcite

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

Specimen size: 6.1 × 3.7 × 4.6 cm = 2.40” × 1.46” × 1.81”
Main crystal size: 0.7 × 0.7 cm = 0.28” × 0.28”