Polished fossil stromatolite slab. Asperia ashburtonia. ASP163 stripey Dimensions at widest points approximately

Dimensions at widest points approximately 140 mm x 130 mm x 80 mm thick

SU143  Sunset Jasper slab

Dimensions at widest points approximately 265 mm x 60 mm x 60 mm thick

5 - 6 mm thick (slightly tapering)

Dimensions at widest points approximately 140 mm x 80 mm x 70 mm thick

Polished fossil stromatolite slab. Asperia ashburtonia. ASP163 stripey Dimensions at widest points approximatelyASP163 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. 170 mm x 135 mm x 12 mm thick. It weighs 641 grams.