Polished fossil stromatolite. Strelley Pool Formation SPF129 polished prehnite A domal stromatolite from the

A domal stromatolite from the Proterozoic "Irregully Formation" in Western Australia

6  billion years

Dimensions at widest points approximately 90 mm x 65 mm x  10 mm thick

Dimensions at widest points approximately 105 mm x 90 mm x 70 mm deep

Polished fossil stromatolite. Strelley Pool Formation SPF129 polished prehnite A domal stromatolite from theSPF129 Fossil stromatolite . Rough rock with natural back, cut and polished on one side. Excellent display piece ! 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 at widest points approx. 270 mm x 100 mm x 70 mm thick. Weighs 1,956 grams.