PANASQUEIRA MINES, ALDEIA DE SÃO FRANCISCO DE ASSIS, COVILHÃ, CASTELO BRANCO, COVA DA BEIRA, PORTUGAL
Dimensions: 6.3 X 3.2 X 2.7 cm.
This specimen stands out by a developed quartz crystal with curious inclusions those give it a bluish green color. Another quartz group has grown on the main one, with curious calcite crystals with a dark green color and complex escalenohedra forms. Not very common for this mine. THE MAIN CRYSTAL IS: 6,3 x 2,4 x 2,1 cm.