Polished Unakite U115 rare Dimensions at widest points approximately

Dimensions at widest points approximately 120 mm  x 90 mm wide x 8 mm thick

Dimensions at widest points approximately 160 mm x 110 mm x 80 mm thick

Very unusual piece of Chrysoprase grading to a central core of whitish Chalcedony

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

Polished Unakite U115 rare Dimensions at widest points approximatelyU115 Unakite rough rock, cut and polished on one side with a natural back. From near Marble Bar in the Pilbara region of Western Australia. Dimensions at widest points approximately 180 mm x 115 mm x 60 mm thick Weighs 1,742 grams