BJ141 Polished "Black Jade". Jasper Dimensions at widest points approximately

Dimensions at widest points approximately 135 mm x 120 mm x 11

MN111  Magneprase slab

Dimensions at widest points approximately 110 mm x 100 mm x 7 mm thick

Dimensions at widest points approximately 100 mm x 90 mm x 80 mm thick

BJ141 Polished "Black Jade". Jasper Dimensions at widest points approximatelyBJ141 Polished "Black Jade" A trade name for metamorphosed magnesian tholeiite (basalt). A rough rock, cut and polished on one side with a cut back and flat base to stand on. Difficult to photograph due to the mirror black polish.. Dimensions at widest points approximately 130 mm x 70 mm x 30 mm thick. It weighs 616 grams. From our mining lease on Ninghan Station in the Midwest region of Western Australia.