BJ130 Polished "Black Jade" . crystophase Dimensions at widest points approximately

Dimensions at widest points approximately 140 mm x 50 mm x 50 mm thick

95-100 mm x 85 - 95 mm x 20 - 35 mm thick

120 mm x 80 mm x 35 mm

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

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

BJ130 Polished "Black Jade" . crystophase Dimensions at widest points approximatelyBJ130 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.