Polished fossil stromatolite slab. Asperia ashburtonia. ASP160 jelly bean jasper SD156 Stromatolitic Dolomite slab

SD156 Stromatolitic Dolomite slab

Dimensions at widest points approximately 105 mm x 115 mm x 5 mm thick

Dimensions at widest points approximately 90 mm x 75 mm x 8 mm thick

80 mm x 80 mm x 50 mm thick

Dimensions at widest points approximately 180 mm x 145 mm x 13 mm thick

Polished fossil stromatolite slab. Asperia ashburtonia. ASP160 jelly bean jasper SD156 Stromatolitic Dolomite slabASP160 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. 275 mm x 150 mm x 10 mm thick. It weighs 834 grams.