Polished Opalised Serpentine OPS118 chrysophase Dimensions at widest points approximately

Dimensions at widest points approximately 170 mm x 90 mm x 18 mm thick

Dimensions at widest points approximately 150 mm x 100 mm x 9 mm thick

Weight is 275 grams

Dimensions at widest points approximately 170 mm x 120 mm x 12 mm thick

BJ139  Polished "Black Jade" A trade name for metamorphosed magnesian tholeiite (basalt)

Polished Opalised Serpentine OPS118 chrysophase Dimensions at widest points approximatelyOPS118 Opalised Serpentine rough rock, cut and polished on one side with a natural back . Dimensions at widest points approximately 170 mm x 125 mm x 60 mm thick. Weight is 1,526 grams. From near Newman in the Pilbara region of Western Australia.