WE PRESENT THIS PIECE OF ARSENOPYRITE MIXED WITH PYRITE AND SMALL CALCITE CRYSTALS. VERY GOOD QUALITY OF THIS MIXTURE OF MINERALS PIECE FROM THE PANASQUEIRA AREA IN PORTUGAL
WE PRESENT THIS PIECE OF ARSENOPYRITE MIXED WITH PYRITE AND SMALL CALCITE CRYSTALS.
VERY GOOD QUALITY OF THIS MIXTURE OF MINERALS
PIECE FROM THE PANASQUEIRA AREA IN PORTUGAL
