Quartz with Siderite and Dolomite

Minas da Panasqueira, level 2, Aldeia de São Francisco de Assis, Covilhã, Castelo Branco, Cova da Beira, Centro  Portugal (1997)

Specimen size: 6.8 × 5.7 × 3.7 cm = 2.68” × 2.24” × 1.46”
Main crystal size: 5.5 × 3.5 cm = 2.17” × 1.38”