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

Dimensions at widest points approximately 120 mm x 100 mm x 6

BA105  Polished Brazilian Agate slab

PU131  Purple Chalcedony slab

Dimensions at widest points approximately 150 mm x 80 mm and 25 mm thick

Approximate dimensions at widest points 145 mm  x 110 mm  x 33 mm thick

Polished fossil stromatolite slab. Strelley Pool Formation SPF138 Polished Rhodonite 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.