PYRITE CRYSTAL CLUSTER. THESE ARE FROM THE MACHU PICCHU AREA, PERU. THEY HAVE NOT BEEN CUT OR POLISHED AND ARE COMPLETELY NATURAL. THIS SPECIMEN IS SOLID PYRITE COVERING A GRAY ROCK BASE.. THIS PYRITE CRYSTAL CLUSTER SPECIMEN IS 3 1 /2" W X 3" D X 1 1/4" H INCHES. THE WEIGHT IS 1 POUND 4.48 OUNCES GREAT SPECIMEN FOR YOUR COLLECTION!