BJ130 Polished "Black Jade" . crystophase CH448 Chrysoprase slab polished on

CH448  Chrysoprase  slab polished  on one side

Approximate dimensions at widest points 120 mm long  x 100 mm  x 30 mm thick

Weighs 239 grams

Dimensions at widest points approximately 90 mm x 75 mm  x 8 mm thick

From an unassigned unit of the Wyloo Group

BJ130 Polished "Black Jade" . crystophase CH448 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.