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Polished fossil stromatolite. Alcheringa narrina. ALC139 magnesite Weighs 274 grams

SKU 81112247273
4.7
Description

Weighs 274 grams

Dimensions at widest points approximately 170 mm x  120 mm x 20 mm thick

SD157 Stromatolitic Dolomite slab

Dimensions 185 mm x 65 mm x 14 mm thick

From our mining claim on Woodlands Station

Polished fossil stromatolite. Alcheringa narrina. ALC139 magnesite Weighs 274 gramsALC139. Fossil stromatolite rough rock, cut and polished on one side . Alcheringa narrina from the Archaean Meentheena Member within the Tumbiana Formation. Age is approx. 2. 7 billion years. From near Nullagine in Western Australia. Approx. 120mm x 95mm x 50mm thick. This piece has a smattering of pyrite inclusions through it. Rare. Weighs 790grams.

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