BJ126 Polished "Black Jade" slab. dendritic opal Dimensions at widest points approximately

Dimensions at widest points approximately 115 mm x 75 mm x 10 mm thick

It weighs 219 grams

Dimensions at widest points approximately 160 mm x 80 mm x 8 mm thick

It occurs as a single vein

BJ126 Polished "Black Jade" slab. dendritic opal Dimensions at widest points approximatelyBJ126 Polished "Black Jade" A trade name for metamorphosed magnesian tholeiite (basalt). A thick slab, cut and polished on one side . Difficult to photograph due to the mirror black polish.. Dimensions at widest points approximately 170 mm x 45 mm x 28 mm thick. It weighs 374 grams. From our mining lease on Ninghan Station in the Midwest region of Western Australia.