Polished fossil stromatolite slab. Strelley Pool Formation SPF141 polished rock These interesting mineral oddities occur

These interesting mineral oddities occur in the banks of the Gascoyne River about 130 km east of Carnarvon

Dimensions approximately 100 mm x 75 mm x 8 mm thick

Weighs 552 grams

Dimensions at widest points approximately 190 mm x 75 mm x 10 mm thick

Very unusual piece with much of the variscite altering from green to yellow

Polished fossil stromatolite slab. Strelley Pool Formation SPF141 polished rock These interesting mineral oddities occurSPF141. 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. 230 mm x 140 mm x 12 mm thick. Weighs 659 grams.