This specimen of ferberite stands out for the size of its crystals and because it is covered with tiny violet-coloured fluorite crystals. These small crystals show cube and dodecahedron shapes. It is also accompanied by quartz and muscovite crystals with a greenish tone. The main crystal is: 4,1 x 2,6 x 0,9 cm. 1,61 x 1,02 x 0,35 inc.

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

DIMENSIONS: 5.8x3.5x3.5