BJ124 Polished "Black Jade" slab. magneprase natural rough back and a

natural rough back and a polished face

polished on one side with natural weathered exterior on rear

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

CC151  Chrome chalcedony rough rock

GRN93  Green Opal & Magnesite slab

BJ124 Polished "Black Jade" slab. magneprase natural rough back and aBJ124 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.