Polished fossil stromatolite slab. Asperia ashburtonia. ASP125 Green Opal Dundas near Zeehan

Dundas  near Zeehan

CLT112 Tumble polished Crazy Lace Agate from Western Australia

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

220 mm x 125 mm x 9 mm thick

Dimensions at widest points approximately 150 mm x 30 mm

Polished fossil stromatolite slab. Asperia ashburtonia. ASP125 Green Opal Dundas near ZeehanASP125. 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.