BJ121 Polished "Black Jade" slab. black conglomerate From our mining claim at

From our mining claim at Mindoolah

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

Dimensions at widest points approximately 130 mm x 75 mm x 80 mm thick

From near Norseman

BJ121 Polished "Black Jade" slab. black conglomerate From our mining claim atBJ121 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.