Very curious specimen that shows various fluorapatite crystals of good size, with a group of ferberite crystals very rich in faces and intense black color. They are partially covered by muscovite, lenticular siderite and pyrite. A piece that needs a carefully review. The main crystal is: 2,7 x 2,3 x 2,3 cm.Fluorescence UVC & UVA (fluorapatite).
ORIGIN: PANASQUEIRA MINES, VILLAGE OF SÃO FRANCISCO DE ASSIS, COVILHÃ, CASTELO BRANCO, COVA DA BEIRA, PORTUGAL
