BJ115 Polished "Black Jade" slab. lepidolite The clinozoisite has replaced but

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

These rare stromatolites are from the “Windidda Formation”

PG117  Pegmatite slab

It weighs 319 grams

Weight is 411 grams

BJ115 Polished "Black Jade" slab. lepidolite The clinozoisite has replaced butBJ115 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.