BJ127 Polished "Black Jade" slab. dendrites DO195 Dendritic Opal rough rock

DO195  Dendritic Opal rough rock

It weighs 105 grams

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

Dimensions at widest points approximately 150 mm x 100 mm x 90 mm thick

This is a mix of pink opal and chalcedony

BJ127 Polished "Black Jade" slab. dendrites DO195 Dendritic Opal rough rockBJ127 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.