Polished fossil stromatolite slab. Domal from Irregully formation IRR131

$95.00 Plus 10% GST in Australia.

Quantity

Sorry, we are closed until late February 2026 due to our attending gem shows in USA. Email if you need further information: glenn@outbackmining.com

IRR 131 Fossil stromatolite slab, polished on one side.

Totally replaced by colourful chert !

From the Proterozoic "Irregully Formation", age approx. 1.1 billion years.
Dimensions at widest points approximately 150 mm x 110 mm x 11 mm thick.
It weighs 340 grams..

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