Polished fossil stromatolite slab. Asperia ashburtonia. ASP153 green 160 mm x 80 mm
Description
160 mm x 80 mm x 50 mm thick
Weighs 783 grams
Weight 349 grams
Very unusual piece of Chrysoprase grading to a central core of whitish Chalcedony
RH274 A slab
Polished fossil stromatolite slab. Asperia ashburtonia. ASP153 green 160 mm x 80 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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