BJ120 Polished "Black Jade" slab. annular rings Dimensions at widest points approximately

Dimensions at widest points approximately 105 mm x 90 mm x 7 mm thick

130 mm x 55 mm  x 10 mm

MK407   Lilac Mookaite cut and polished on one side with a rough natural back

145 mm x 75 mm  x 55 mm

GRN88  Green Opal & Magnesite slab

BJ120 Polished "Black Jade" slab. annular rings Dimensions at widest points approximatelyBJ120 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 200 mm x 85 mm x 7 mm thick. It weighs 247 grams. From our mining lease on Ninghan Station in the Midwest region of Western Australia.