Polished fossil stromatolite rock IRR109 cut and polished on one side.
A domal stromatolite from the Proterozoic "Irregully Formation" in Western Australia. Amazing colours in this rare specimen.
Yet to be formally identified but possibly Paniscollenia .
Age is approx. 1.1 billion years.
Dimensions approximately 180mm x 85mm x 15mm-50mm thick
Weighs 1140grams
