Polished fossil stromatolite slab. Asperia digitata YD115 brecciated All pre-formed to an oval

All pre-formed to an oval shape

Dimensions approximately 95 mm x 55 mm x 9 mm thick

Dimensions at widest points approximately 100 mm  x 65 mm x 7 mm thick

Dimensions at widest points approximately 65 mm x 60 mm x 30 mm thick

150 mm x 95 mm x 8 mm thick and weighs 208 grams

Polished fossil stromatolite slab. Asperia digitata YD115 brecciated All pre-formed to an ovalYD115. Fossil stromatolite slab polished on one side. Asperia digitata (formerly Yelma digitata) from the Proterozoic "Yelma Formation". Age is approx. 1. 7 billion years. From near Wiluna in Western Australia. Dimensions approx. 125 mm x 90 mm x 6. 5 mm thick. Weighs 192 grams.