BJ121 Polished "Black Jade" slab. black conglomerate Dimensions at widest points approximately

Dimensions at widest points approximately 120 mm high x 100 mm  x 55 mm thick

Dimensions approximately 120 mm x 30 mm x 10 mm thick

From near Norseman

CW120   Chinese Writing Stone slab

Asperia ashburtonia from the Proterozoic "Duck Creek Dolomite"

BJ121 Polished "Black Jade" slab. black conglomerate Dimensions at widest points approximatelyBJ121 Polished "Black Jade" A trade name for metamorphosed magnesian tholeiite (basalt). A slab, cut and polished on one side . Difficult to photograph due to the mirror black polish.. Dimensions at widest points approximately 130 mm x 55 mm x 7 mm thick. It weighs 127 grams. From our mining lease on Ninghan Station in the Midwest region of Western Australia.