MIXTURE OF MINERALS FROM PANASQUEIRA, IN PORTUGAL. IN THE FOREGROUND WE CAN SEE FERBERITE CRYSTALS, ABOVE THE FERBERITE CRYSTALS WE CAN SEE SMALL SIDERITE CRYSTALS WITH SOME LOOSE APATIRT CRYSTALS. IN THE BACK A SMALL SAMPLE OF ARSENOPYRITE, A VERY HIGH QUALITY PIECE. SAMPLE FROM A PRIVATE COLLECTION.
