BJ137 Polished "Black Jade" slab polished snakeskin Dimensions at widest points approximately

Dimensions at widest points approximately 115 mm x 110 mm x 9

Weighs 250 grams

Dimensions at widest points approximately 290 mm x 135 mm x 13 mm thick

85 mm x 50 mm x 35 mm

CH465  Chrysoprase slab

BJ137 Polished "Black Jade" slab polished snakeskin 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.