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

From our mining claim at Mindoolah

Asperia ashburtonia from the Proterozoic "Duck Creek Dolomite"

HEM119  Hematite geode half

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.