Polished fossil stromatolite slab. Asperia ashburtonia. ASP157 polished noreena Dimensions at widest points approximately

Dimensions at widest points approximately 150 mm x 80 mm and 25 mm thick

Dimensions at widest points approximately 110 mm x 60 mm x 50 mm thick

LCT113    Tumble polished Lemon Chrysoprase

Dimensions at widest points approximately 120 mm  x 40 mm wide x 6 mm thick

130 mm x 105 mm x 40 mm thick

Polished fossil stromatolite slab. Asperia ashburtonia. ASP157 polished noreena Dimensions at widest points approximatelyASP157. 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. 140 mm x 130 mm x 11 mm thick. It weighs 341 grams.