BJ140 Polished "Black Jade" . mookarite Dimensions at widest points approximately

Dimensions at widest points approximately 120 mm x 45 mm x 10

310 mm x 115 mm  x 11 mm

Dimensions at widest points approximately 90 mm x 65 mm x 60 mm thick

cut and polished on one side with a natural rough back and a cut base to sit on

Rare complete nodule

BJ140 Polished "Black Jade" . mookarite Dimensions at widest points approximatelyBJ140 Polished "Black Jade" A trade name for metamorphosed magnesian tholeiite (basalt). A rough rock, cut and polished on one side with a natural back and flat base to stand on. Difficult to photograph due to the mirror black polish.. Dimensions at widest points approximately 145 mm x 70 mm x 40 mm thick. It weighs 649 grams. From our mining lease on Ninghan Station in the Midwest region of Western Australia.