BJ116 Polished "Black Jade" slab. chrysophase Dimensions approximately 155 mm x

Dimensions approximately 155 mm x 50 mm x 8 mm thick

Weight is 182 grams

washed up from their source on the ocean floor

Dimensions at widest points approximately 155 mm x  130 mm x 12 mm thick

Dimensions at widest points approximately 145 mm x 75 mm x 8 mm thick

BJ116 Polished "Black Jade" slab. chrysophase Dimensions approximately 155 mm xBJ116 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 180 mm x 75 mm x 8 mm thick. It weighs 246 grams. From our mining lease on Ninghan Station in the Midwest region of Western Australia.