The brilliance of these cassiterite crystals is exceptional, with well defined faces, twinned and disposed in a very aesthetic way on a matrix with fluorapatite, with lenticular crystals of siderite and some muscovite. Nice miniature. The main crystal is: 0,4 x 0,4 x 0,3 cm. Fluorescence UVC & UVA (fluorapatite).

ORIGIN: PANASQUEIRA MINES, VILLAGE OF SÃO FRANCISCO DE ASSIS, COVILHÃ, CASTELO BRANCO, COVA DA BEIRA, PORTUGAL

DIMENSIONS: 4.7x2.9x0.3