Polished fossil stromatolite. Asperia ashburtonia. ASP130 green stones PC116 Chalcedony/chrysoprase slab

PC116 Chalcedony/chrysoprase slab

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

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

Dimensions: approximately 115 mm high x 75 mm x  45 mm thick

Polished fossil stromatolite. Asperia ashburtonia. ASP130 green stones PC116 Chalcedony/chrysoprase slabASP130. 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.