BJ131 Polished "Black Jade" . Marra Mamba 160 mm x 110 mm

160 mm x 110 mm  x 11 mm

155 mm x 65 mm x 9 mm thick and weighs 187 grams

cut and polished on one side with natural weathered back

It weighs 177 grams

Weighs 862 grams

BJ131 Polished "Black Jade" . Marra Mamba 160 mm x 110 mmBJ131 Polished "Black Jade" A trade name for metamorphosed magnesian tholeiite (basalt). A thick slab, 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 180 mm x 90 mm x 33 mm thick. It weighs 1,113 grams. From our mining lease on Ninghan Station in the Midwest region of Western Australia.