BJ130 Polished "Black Jade" . purple The clinozoisite has replaced but

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

100 mm x 80 mm x 35 mm thick

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

Weighs 755 grams

Wedge shaped and very flashy

BJ130 Polished "Black Jade" . purple The clinozoisite has replaced butBJ130 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.