Polished fossil stromatolite slab. Strelley Pool Formation SPF138 Citron chrysoprase Dimensions at widest points approximately

Dimensions at widest points approximately 190 mm x 150 mm x 30 - 65 mm thick

It weighs 420 grams

Weighs 394 grams

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Polished fossil stromatolite slab. Strelley Pool Formation SPF138 Citron chrysoprase Dimensions at widest points approximatelySPF138. 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. 240 mm x 200 mm x 13 mm thick. Weighs 1,088 grams.