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Polished fossil stromatolite. Alcheringa narrina. ALC136

Regular price $70.00

ALC136. 

Fossil stromatolite  slab, 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.  100mm x 75mm x 7mm thick.

This piece has a "little constellation" of pyrite inclusions through it, some cubic, some triangle. Rare. Lovely little specimen!

Weighs 95grams.


 


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