BJ115 Polished "Black Jade" slab. lepidolite These rare stromatolites are from

These rare stromatolites are from the “Windidda Formation”

It weighs 319 grams

PA264  Pilbara Agate rough rock

Dimensions at widest points approximately 155 mm x 120 mm x 12 mm thick

Dimensions at widest points approximately 95 mm x 45 mm x 35 mm thick

BJ115 Polished "Black Jade" slab. lepidolite These rare stromatolites are fromBJ115 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 175 mm x 45 mm x 16 mm thick. It weighs 237 grams. From our mining lease on Ninghan Station in the Midwest region of Western Australia.