BJ130 Polished "Black Jade" . stripey CH439 Chrysoprase slab polished on

CH439  Chrysoprase  slab polished  on one side

Weighs 684 grams

Weighs 254 grams

Dimensions at widest points approximately 180 mm x 100 mm x 25 mm thick

Dimensions at widest points approximately 250 mm x 130 mm and 9

BJ130 Polished "Black Jade" . stripey CH439 Chrysoprase slab polished onBJ130 Polished "Black Jade" A trade name for metamorphosed magnesian tholeiite (basalt). A rough rock, cut and polished on one side with a cut base to stand as a display specimen ! Difficult to photograph due to the mirror black polish.. Dimensions at widest points approximately 150 mm x 80 mm x 50 mm thick. It weighs 1,124 grams. From our mining lease on Ninghan Station in the Midwest region of Western Australia.