Polished fossil stromatolite slab. Strelley Pool Formation SPF142 Tiger Eye polished Dimensions at widest points approximately

Dimensions at widest points approximately 150 mm x 120 mm x 10 mm thick

Dimensions at widest points approximately 240 mm  x 160 mm x 10 mm thick

PRT117  Tumble polished Prehnite from Western Australia

Dimensions at widest points approximately 125 mm x 50 mm x 10 mm thick

Polished fossil stromatolite slab. Strelley Pool Formation SPF142 Tiger Eye polished Dimensions at widest points approximatelySPF142. 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. 270 mm x 110 mm x 14 mm thick. Weighs 754 grams.