A really interesting specimen. A huge size hyaline crystal with inclusions, and some greenish tones in some areas, those remember prase variety. Also a small quartz hyaline crystal with greenish tone and transparence. Main crystal is partially covered on some faces by several siderite crystals with a deep green color, some of them are well developed showing acute forms. It is accompanied by calcite and pyrite. THE MAIN CRYSTAL IS: 7.1 x 2.5 x 2.2 cm.

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

DIMENSIONS: 7.7x4.2x2.5