Polished fossil stromatolite slab. Strelley Pool Formation SPF145 #gemstone 390 mm x 120 mm

390 mm x 120 mm  x 22 mm

90 mm x 70 mm x 32 mm thick

It occurs in the Pinyalling Hills which are located in the Midwest region of Western Australia

CC163  Chrome chalcedony rough rock

BJ120 Polished "Black Jade" A trade name for metamorphosed magnesian tholeiite (basalt)

Polished fossil stromatolite slab. Strelley Pool Formation SPF145 #gemstone 390 mm x 120 mmSPF145. Fossil stromatolite slab, polished on one side. These are the oldest known fossils on Earth. From the Strelley Pool Formation in the Pilbara region of Western Australia. Age is approx. 3. 4 billion years. Dimensions approx. 250 mm x 140 mm x 12. 5 mm thick. Weighs 693 grams.