Polished fossil stromatolite slab. Asperia ashburtonia. ASP161 sskin Cut and polished on one

Cut and polished on one side with natural rough exterior on rear

Weighs 369 grams

Dimensions at widest point approximately 120 mm x 100 mm x 45 mm

140 mm x 100 mm x 50 mm thick

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

Polished fossil stromatolite slab. Asperia ashburtonia. ASP161 sskin Cut and polished on oneASP161 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. 225 mm x 200 mm x 10 mm thick. It weighs 931 grams.