Polished fossil stromatolite. Asperia ashburtonia. ASP130 green stones Dimensions at widest points approximately

Dimensions at widest points approximately 120 mm x 65 mm x 12 mm thick

305 mm x 125 mm x 13 mm thick & weighs 918 grams

PC116 Chalcedony/chrysoprase slab

Dimensions at widest points approximately 180 mm x 95 mm x 12 mm thick

Dimensions approximately 185 mm x 95 mm x 6 mm thick

Polished fossil stromatolite. Asperia ashburtonia. ASP130 green stones Dimensions at widest points approximatelyASP130. Fossil stromatolite polished on one side with natural weathered exterior. Asperia ashburtonia from the Proterozoic "Duck Creek Dolomite". Age is approx. 2 billion years. From near Paraburdoo in Western Australia. Approx. 270 mm x 100 mm x 50 mm thick. Weight is 1,704 grams.