Fluorapatite with Siderite, Muscovite, Marcasite and Arsenopyrite

Minas da Panasqueira, Aldeia de São Francisco de Assis, Covilhã Municipality, Castelo Branco District  Portugal

Specimen size: 15.3 × 9.2 × 5.8 cm = 6.02” × 3.62” × 2.28”
Main crystal size: 2.5 × 2 cm = 0.98” × 0.79”