BJ117 Polished "Black Jade" . polished crazy lace agate CH433 Chrysoprase nodule

CH433  Chrysoprase nodule

Also known as Atlantisite

Dimensions at widest points approximately 160 mm x 65 mm x 9 mm thick

More correctly an iron-rich

5 mm thick at widest points

BJ117 Polished "Black Jade" . polished crazy lace agate CH433 Chrysoprase noduleBJ117 Polished "Black Jade" A trade name for metamorphosed magnesian tholeiite (basalt). A thick slab, cut and polished on one side with a cut base to stand as a display specimen ! Difficult to photograph due to the mirror black polish.. Dimensions at widest points approximately 150 mm x 90 mm x 35 mm thick. It weighs 1,089 grams. From our mining lease on Ninghan Station in the Midwest region of Western Australia.