BJ121 Polished "Black Jade" slab. black conglomerate Asperia ashburtonia from the Proterozoic

Asperia ashburtonia from the Proterozoic "Duck Creek Dolomite"

CW120   Chinese Writing Stone slab

Dimensions approximately 120 mm x 30 mm x 10 mm thick

20 pieces  of rough Tiger Iron

BJ121 Polished "Black Jade" slab. black conglomerate Asperia ashburtonia from the ProterozoicBJ121 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.