Polished fossil stromatolite slab. Asperia ashburtonia. ASP139 rare agate Dimensions at widest points approximately

Dimensions at widest points approximately 170 mm x 100 mm x 100 mm thick

Weighs 656 grams

DOT104  Tumble polished Dendritic Opal

From our mining leases near Grant's Patch in the Eastern Goldfields region of Western Australia

Huge museum quality display piece

Polished fossil stromatolite slab. Asperia ashburtonia. ASP139 rare agate Dimensions at widest points approximatelyASP139. Fossil stromatolite slab, polished on one side. Asperia ashburtonia from the Proterozoic "Duck Creek Dolomite". Unusual colouration caused by natural iron oxide weathering. Age is approx. 2 billion years. From near Paraburdoo in Western Australia. Approx. 150mm x 85mm, 7mm thick. It weighs 175 grams.