Polished fossil stromatolite slab. Asperia ashburtonia. ASP155 lace agate 120 mm x 110 mm

120 mm x 110 mm x 6 mm thick

Diameter of largest sun is approx

Dimensions at widest points are approximately 120 mm x 80 mm x 50 mm

Dimensions at widest points approximately 85 mm x 50 mm x 35 mm thick

Conglomerates are a very common rock type that occur in numerous locations world wide

Polished fossil stromatolite slab. Asperia ashburtonia. ASP155 lace agate 120 mm x 110 mmASP155. 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. 195 mm x 165 mm x 9 mm thick. It weighs 568 grams.