Pyrite (octahedral) with Calcite-Dolomite and Ferberite

Minas da Panasqueira, Aldeia de São Francisco de Assis, Covilhã, Castelo Branco, Cova da Beira, Centro  Portugal (1997)

Specimen size: 5 × 4 × 2 cm = 1.97” × 1.57” × 0.79”
Main crystal size: 0.7 × 0.6 cm = 0.28” × 0.24”