BJ134 Polished "Black Jade" . polished Noreena Jasper Approximate dimensions at widest points

Approximate dimensions at widest points 145 mm  x 75 mm  x 55 mm thick

105 mm x 55 mm  x 9 mm

CLA258   Australian Crazy Lace Agate slab

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CH463  Chrysoprase slab

BJ134 Polished "Black Jade" . polished Noreena Jasper Approximate dimensions at widest pointsBJ134 Polished "Black Jade" A trade name for metamorphosed magnesian tholeiite (basalt). A rough rock, cut and polished on one side. Difficult to photograph due to the mirror black polish.. Dimensions at widest points approximately 180 mm x 50 mm x 30 mm thick. It weighs 596 grams. From our mining lease on Ninghan Station in the Midwest region of Western Australia.