Arsenopyrite, Siderite, Ferberite

Minas da Panasqueira, level 3, Aldeia de São Francisco de Assis, Covilhã Municipality, Castelo Branco District  Portugal (±2005)

Specimen size: 5.8 × 5.4 × 3.4 cm = 2.28” × 2.13” × 1.34”