Mineral: Arsenopyrite
Locality: Minas da Panasqueira, level 2, Aldeia de São Francisco de Assis, Covilhã, Castelo Branco, Cova da Beira, Centro, Portugal
Dimensions: 14.5 x 12 x 5.7 cm. Largest Arsenopyrite crystal size 4 x 1 cm

Description: On page 20 of the article "The Panasqueira mines, Castelo Branco district, Portugal" published in The Mineralogical Record. Photo: Jordi Deusedes/Jordi Fabre

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