BJ127 Polished "Black Jade" slab. dendrites Approximate dimensions at widest points

Approximate dimensions at widest points 145 mm  x 75 mm  x 110 mm thick

It weighs 105 grams

Weight is 243 grams

This is a mix of pink opal and chalcedony

DO195  Dendritic Opal rough rock

BJ127 Polished "Black Jade" slab. dendrites Approximate dimensions at widest pointsBJ127 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 210 mm x 100 mm x 8 mm thick. It weighs 446 grams. From our mining lease on Ninghan Station in the Midwest region of Western Australia.