Polished fossil stromatolite. Strelley Pool Formation SPF131 Rhodonite Dimensions approximately 170 mm x

Dimensions approximately 170 mm x 130 mm x 15 mm thick

Has some fractures

pale blue cleavelandite

Tiger iron is a banded iron formation (BIF) or jaspilite that has alternating layers of black and brown hematite/magnetite

From Boogardie Station near Mount Magnet

Polished fossil stromatolite. Strelley Pool Formation SPF131 Rhodonite Dimensions approximately 170 mm xSPF131 Fossil stromatolite . Rough rock with natural back, cut and 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 at widest points approx. 155 mm x 70 mm x 30 mm thick. Weighs 648 grams.