BJ115 Polished "Black Jade" slab. lepidolite Dimensions at widest points approximately

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

These rare stromatolites are from the “Windidda Formation”

Weight is 411 grams

Dimensions at widest points approximately 110 mm x 85 mm x 40 mm thick

The clinozoisite has replaced but retained the shape of plagioclase feldspar crystals

BJ115 Polished "Black Jade" slab. lepidolite Dimensions at widest points approximatelyBJ115 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.