This free form cabochon is cut from peridot the black spots are fayalite and there is some dark green diopsite from San Carlos, Arizona U.S.A. It was hand cut in my cutting shop. The polish is good the edges are cut for setting the stone in a bezel and the bottoms are flat.
SIZE:(in millimeters) 40 x 30 x 4.5 MM THICK.
WEIGHT(Carats): 66
DOME: SLIGHTLY DOMED.
BOTTOM: FLAT.
EDGE: GOOD FOR BEZEL
POLISH: GOOD.