Quartz with Pyrite and Muscovite

Minas da Panasqueira, Aldeia de São Francisco de Assis, Covilhã, Castelo Branco, Cova da Beira, Centro  Portugal (±1999)

Specimen size: 9.2 × 7.3 × 2.4 cm = 3.62” × 2.87” × 0.94”
Main crystal size: 9.2 × 2.3 cm = 3.62” × 0.91”