BJ122 Polished "Black Jade" slab. serpentine Box measures 41 cm x

Box measures 41 cm x 28 cm x 4 cm deep

Weighs 267 grams

Dimensions at widest points approximately 85 mm x 50 mm x 35 mm thick

KA142   Kumarina Agate

Dimensions approximately 135 mm x 110 mm x 5 mm thick

BJ122 Polished "Black Jade" slab. serpentine Box measures 41 cm xBJ122 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 125 mm x 65 mm x 11 mm thick. It weighs 205 grams. From our mining lease on Ninghan Station in the Midwest region of Western Australia.