BJ119 Polished "Black Jade" . #google Dimensions approximately 180 mm x

Dimensions approximately 180 mm x 70 mm x 7 mm thick

has now been largely altered to hematite

Dimensions at widest points approximately 170 mm x 50 mm x 11 mm thick

Weighs 54 grams

NJ435  A rough rock

BJ119 Polished "Black Jade" . #google Dimensions approximately 180 mm xBJ118 Polished "Black Jade" A trade name for metamorphosed magnesian tholeiite (basalt). A rough rock, cut and polished on one side with a cut base to stand as a display specimen ! Geologically interesting with a cross cutting quartz vein ! Difficult to photograph due to the mirror black polish.. Dimensions at widest points approximately 130 mm x 90 mm x 50 mm thick. It weighs 957 grams. From our mining lease on Ninghan Station in the Midwest region