BJ137 Polished "Black Jade" slab serpentine Dimensions at widest points approximately

Dimensions at widest points approximately 150 mm x 115 mm x 60 mm thick

Dimensions at widest points approximately 200 mm  x 150 mm x 7 mm thick

Weighs 893 grams

Weighs 975 grams

Dimensions at widest points approximately 145 mm x 95 mm x 95 mm thick

BJ137 Polished "Black Jade" slab serpentine Dimensions at widest points approximatelyBJ137 Polished "Black Jade" A trade name for metamorphosed magnesian tholeiite (basalt). A slab, cut and polished on one side . Difficult to photograph due to the mirror black polish.. Dimensions at widest points approximately 160 mm x 70 mm x 11 mm thick. It weighs 251 grams. From our mining lease on Ninghan Station in the Midwest region of Western Australia.