Polished Outback Jasper slab OJ173 polished magneprase It occurs in the Proterozoic

It occurs in the Proterozoic Mount Bruce Supergroup which is part of the Fortescue Group with an age of approx

Approximate dimensions at widest points 120 mm long  x 100 mm  x 30 mm thick

DO181  Dendritic Opal rough rock

Dimensions at widest points approximately 380 mm x 110  mm with slightly tapering thickness of 12 - 14 mm

Polished Outback Jasper slab OJ173 polished magneprase It occurs in the ProterozoicOJ173 A slab, polished on one side. Dimensions at widest points approximately 120 mm x 120 mm and 6. 5 mm thick. It weighs 222 grams. From the mid west region of Western Australia near the small gold mining centre of Payne's Find.