BJ126 Polished "Black Jade" slab. magnesite 130 mm x 50 mm

130 mm x 50 mm x 50 mm thick & weighs 492 grams

5") Each piece approximately 3 - 4 cm at widest points

Dimensions at widest points approximately 110 mm x 80 mm x 55 mm thick

90 mm x 70 mm x 30 mm thick

Weighs 654 grams

BJ126 Polished "Black Jade" slab. magnesite 130 mm x 50 mmBJ126 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.