Polished fossil stromatolite slab. Asperia ashburtonia. ASP162 fossil stromatolite Dimensions at widest points approximately

Dimensions at widest points approximately 150 mm x 150 mm x 95 mm thick

Dimensions at widest points approximately 90 mm x 65 mm x 50 mm thick

Weighs 483 grams

Dimensions at widest points approximately 160 mm x  110 mm x 45 mm thick

cut and polished on one side with a natural  back and a cut base to stand on

Polished fossil stromatolite slab. Asperia ashburtonia. ASP162 fossil stromatolite Dimensions at widest points approximatelyASP162 Fossil stromatolite slab, polished on one side. Asperia ashburtonia from the Proterozoic "Duck Creek Dolomite". Age is approx. 2 billion years. From near Paraburdoo in Western Australia. Dimensions at widest points approx. 110 mm x 70 mm x 12 mm thick. It weighs 226 grams.