Mineral: Chalcopyrite with Arsenopyrite and Siderite
Locality: Minas da Panasqueira, Aldeia de São Francisco de Assis, Covilhã, Castelo Branco, Cova da Beira, Centro, Portugal
Dimensions: Specimen size: 13.1 × 10.4 × 7.1 cm / main crystal size: 5 × 3.3 cm
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