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

Dimensions at widest points approximately 110 mm x 60 mm x 50 mm thick

Dimensions at widest points approximately 85 mm x 75 mm x 12 mm thick

Weighs 101 grams

190 mm x 130 mm x 65 mm

Dimensions at widest points approximately 110 mm x 60 mm x 40 mm thick

BJ126 Polished "Black Jade" slab. magnesite 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.