Dolomite on Quartz with Siderite and Ferberite

Minas da Panasqueira, Aldeia de São Francisco de Assis, Covilhã, Castelo Branco, Cova da Beira, Centro  Portugal (±2000)

Specimen size: 10.8 × 7.6 × 6.6 cm = 4.25” × 2.99” × 2.60”
Main crystal size: 2.3 × 2 cm = 0.91” × 0.79”