Mineral: Cassiterite, Muscovite, Pyrite, Marcasite, Quartz
Locality: Minas da Panasqueira, Aldeia de São Francisco de Assis, Covilhã, Castelo Branco, Cova da Beira, Centro, Portugal
Dimensions: 7 cm x 6 cm x 4 cm

Description: Detail of the crystals.

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