Mineral: Chalcopyrite and Stannite on Ferberite
Locality: Minas da Panasqueira, level 2, Aldeia de São Francisco de Assis, Covilhã, Castelo Branco, Cova da Beira, Centro, Portugal
Dimensions: 11 x 9 x 8 cm approximately

Description: Found in 1990 Photo: Mark Mauthner

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