Polished Chrysoprase CH485 dendrite BJ138 Polished "Black Jade" A

BJ138 Polished "Black Jade" A trade name for metamorphosed magnesian tholeiite (basalt)

Dimensions at widest points approximately 200 mm x 100 mm x 40 mm thick

Dimensions at widest points approximately 105 mm x 80 mm x 6 mm thick

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

Dimensions at widest points approximately 180 mm  x 75 mm x 40 mm thick

Polished Chrysoprase CH485 dendrite BJ138 Polished "Black Jade" ACH485 Chrysoprase rough rock, cut and polished on one side with a rough, natural back. Dimensions at widest points approximately 140 mm x 65 mm x 35 mm thick . Weighs 593 grams From north of Kalgoorlie, Western Australia.