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130 mm x 95 mm x 10 mm
Dimensions approximately 165mm x 40mm x 5-45mm thick
Dimensions at widest points approximately 300 mm x 180 mm x 9 mm thick
Weighs 209 grams
Polished fossil stromatolite slab. Asperia ashburtonia. ASP153 dendrite 130 mm x 95 mmASP153. Fossil stromatolite slab, polished on one side. Asperia ashburtonia from the Proterozoic "Duck Creek Dolomite". Age is approx. 2 billion years. From near Paraburdoo in Western Australia. Dimensions at widest points approx. 170 mm x 145 mm x 9 mm thick. It weighs 443 grams.
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