30.54ct Lot 50 Pieces Beautiful Color Natural Australian Mosaic Opal Triplet Cabochons. Purchased from estate of old dealer's stock, tiny pieces of natural Australian opal formed in a mosaic pattern over a black flat oval base and clear domed cap to protect the opal, with flashes of very nice multicolored surface fire, with very attractive face up and eye appeal. Pieces approx. 7x5mm. Beautiful smaller size pieces ready to be set in jewelry. Priced below original dealer's cost.