More than aesthetic specimen formed by a rich group of arsenopyrite crystals, with exceptional luster, iridescent, with dark blue to reddish tones. It is accompanied by various groups of well defined fluorapatite tabular crystals, transparent and greenish tone, along with siderite and muscovite. The main crystal is: 1 x 0,8 cm. Fluorescence UVC.

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

DIMENSIONS: 8.1x4.6x3.4