BJ130 Polished "Black Jade" . purple Dimensions approximately 240 mm x

Dimensions approximately 240 mm x 120 mm x 8 mm thick

100 mm x 80 mm x 35 mm thick

From the same outcrop as Pseudogymnosolenid type which occur as a substrate beneath these ones

DO196  Dendritic Opal

BJ130 Polished "Black Jade" . purple Dimensions approximately 240 mm xBJ130 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.