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Sphalerite with Chalcopyrite, Arsenopyrite and Siderite
3.7 × 3.2 × 2.8 cm / main crystal size: 3 × 2.7 cm
(Autor: Jordi Fabre)

Minas da Panasqueira, Aldeia de São Francisco de Assis, Covilhã, Castelo Branco, Cova da Beira, Centro Region, Portugal
Sphalerite with Chalcopyrite, Arsenopyrite and Siderite
3.7 × 3.2 × 2.8 cm / main crystal size: 3 × 2.7 cm
(Autor: Jordi Fabre)

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