Chalcopyrite with Pyrite and Siderite

Minas da Panasqueira, level 2, Aldeia de São Francisco de Assis, Covilhã, Castelo Branco, Cova da Beira, Centro Region  Portugal (2004)

Specimen size: 7.7 × 6.2 × 3.8 cm = 3.03” × 2.44” × 1.50”
Main crystal size: 4 × 2.4 cm = 1.57” × 0.94”