PYRITE CRYSTAL CLUSTER. THESE ARE FROM THE MACHU PICCHU AREA, PERU. THEY HAVE NOT BEEN CUT OR POLISHED AND ARE COMPLETELY NATURAL. THIS SPECIMEN HAS A LITTLE MATRIX IN THE BASE, OTHERWISE IT IS SOLID PYRITE. THE SIZE OF THIS SPECIMEN IS 3" W X 2 1/2" D X 1" H, AND WEIGHS 8.32 OUNCES. NICE CABINET SIZE SPECIMEN!