BJ124 Polished "Black Jade" slab. magneprase Dimensions at widest points approximately

Dimensions at widest points approximately 110 mm  x 80 mm wide x 9

natural rough back and a polished face

OG175   Polished orbicular granite with natural rough back

AZ119  Azurite sun mineral specimen

polished on one side with natural weathered exterior on rear

BJ124 Polished "Black Jade" slab. magneprase Dimensions at widest points approximatelyBJ124 Polished "Black Jade" A trade name for metamorphosed magnesian tholeiite (basalt). A slab, cut and polished on one side . Geologically interesting with a cross cutting quartz vein ! Difficult to photograph due to the mirror black polish.. Dimensions at widest points approximately 185 mm x 125 mm x 12. 5 mm thick. It weighs 599 grams. From our mining lease on Ninghan Station in the Midwest region of Western Australia.