Arsenopyrite-Marcasite with Ferberite and Muscovite

Minas da Panasqueira, levels 0-1, Aldeia de São Francisco de Assis, Covilhã, Castelo Branco, Cova da Beira, Centro  Portugal (2020)

Specimen size: 5 × 4.8 × 4.3 cm = 1.97” × 1.89” × 1.69”
Main crystal size: 3.8 × 1.5 cm = 1.50” × 0.59”