Polished fossil stromatolite. Asperia ashburtonia. ASP130 green stones 305 mm x 125 mm

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

Dimensions approximately 185 mm x 95 mm x 6 mm thick

It weighs 628 grams

Bauxite is the main raw material used in the commercial production of aluminium

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

Polished fossil stromatolite. Asperia ashburtonia. ASP130 green stones 305 mm x 125 mmASP130. 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.