BJ127 Polished "Black Jade" slab. dendrites One corner slighltly unpolished

One corner slighltly unpolished

Dimensions approximately 100 mm x 80 mm x 25 mm thick

This is a mix of pink opal and chalcedony

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

BJ127 Polished "Black Jade" slab. dendrites One corner slighltly unpolishedBJ127 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.