BJ130 Polished "Black Jade" . purple Dimensions at widest points approximately

Dimensions at widest points approximately 95 mm x 70 mm x 16 mm thick

Weighs 461 grams

Dimensions approximately 240 mm x 120 mm x 8 mm thick

The clinozoisite has replaced but retained the shape of plagioclase feldspar crystals

BJ130 Polished "Black Jade" . purple Dimensions at widest points approximatelyBJ130 Polished "Black Jade" A trade name for metamorphosed magnesian tholeiite (basalt). A rough rock, cut and polished on one side with a cut base to stand as a display specimen ! Difficult to photograph due to the mirror black polish.. Dimensions at widest points approximately 150 mm x 80 mm x 50 mm thick. It weighs 1,124 grams. From our mining lease on Ninghan Station in the Midwest region of Western Australia.