Polished fossil stromatolite slab. Asperia ashburtonia. ASP152 green Dimensions at widest points approximately

Dimensions at widest points approximately 115 mm x 70 mm x 9

90 mm x 40 mm  x 20 mm

Dimensions at widest points approximately 90 mm x 80 mm x 9

Dimensions at widest points approximately 55 mm  x 50 mm wide x 5 mm thick

TI277   Tiger Iron slab

Polished fossil stromatolite slab. Asperia ashburtonia. ASP152 green Dimensions at widest points approximatelyASP152. 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. 160 mm x 140 mm x 7 mm thick. It weighs 301 grams.