Polished fossil stromatolite slab. Strelley Pool Formation SPF145 #gemstone 90 mm x 70 mm

90 mm x 70 mm x 32 mm thick

Dimensions at widest points approximately 65 mm

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

140 mm x 55 mm  x 7 mm

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

Polished fossil stromatolite slab. Strelley Pool Formation SPF145 #gemstone 90 mm x 70 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.