BJ122 Polished "Black Jade" slab. sskin DO179 Dendritic Opal rough rock

DO179  Dendritic Opal rough rock

Dimensions at widest points approximately 145 mm x 55 mm x 10 mm thick

105 mm x 95 mm x 20 mm thick

110 mm x 80 mm x 30 mm

From near Nullagine in Western Australia

BJ122 Polished "Black Jade" slab. sskin DO179 Dendritic Opal rough rockBJ122 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 125 mm x 65 mm x 11 mm thick. It weighs 205 grams. From our mining lease on Ninghan Station in the Midwest region of Western Australia.