Polished fossil stromatolite slab. Asperia ashburtonia. ASP125 Green Opal cut and polished on one

cut and polished on one side with a rough

It weigh 295 grams

190 mm x 90 mm x 10 mm thick

Dimensions at widest points approximately 290 mm x 165 mm x 10 mm thick

CLT112 Tumble polished Crazy Lace Agate from Western Australia

Polished fossil stromatolite slab. Asperia ashburtonia. ASP125 Green Opal cut and polished on oneASP125. Huge museum quality specimen ! Fossil stromatolite slab polished on one side. Unusual colouration caused by natural iron oxide weathering. Asperia ashburtonia from the Proterozoic "Duck Creek Dolomite". Age is approx. 2 billion years. From near Paraburdoo in Western Australia. 13 mm thick. Approx. 280 mm x 200 mm. 1,734 grams.