Polished fossil stromatolite. Strelley Pool Formation SPF123 Brecciated Mookaite 145 mm x 65 mm

145 mm x 65 mm x 7 mm thick

From near Paraburdoo in Western Australia

Dimensions approximately 185mm x 130mm x approx  9mm thick

cut and polished on one side with natural rough exterior

Unusual colouration caused by natural iron oxide weathering

Polished fossil stromatolite. Strelley Pool Formation SPF123 Brecciated Mookaite 145 mm x 65 mmSPF123 Fossil stromatolite polished on one side with natural weathered exterior. This is the other half of SPF122. 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. 140 mm x 125 mm x 40 mm thick. Weighs 770 grams.