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

These rare stromatolites are from the “Windidda Formation”

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

CLA237   Australian Crazy Lace Agate slab

Weight is 411 grams

PG117  Pegmatite slab

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.