Polished fossil stromatolite. Strelley Pool Formation SPF129 dolomite It occurs as a single

It occurs as a single vein

190 mm x 130 mm x 10mm thickness

They usually occur as weathered out nodules formed by branched

Fragile mineral specimen not suited to cutting

SPF131   Fossil stromatolite

Polished fossil stromatolite. Strelley Pool Formation SPF129 dolomite It occurs as a singleSPF129 Fossil stromatolite . Rough rock with natural back, cut and polished on one side. Excellent display piece ! 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. 270 mm x 100 mm x 70 mm thick. Weighs 1,956 grams.