Fossil stromatolite polished on one side with natural weathered exterior.
Alcheringa narrina from the Archaean Meentheena Member within the Tumbiana Formation.
Age is approx. 2.7 billion years.
From near Nullagine in Western Australia.
Dimensions at widest points approx. 140 mm x 90 mm x 40 mm thick.
Weighs 702 grams.
Tumble Polished mixed Australian gemstones MXT101
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Starry Jasper SJ106
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Polished Pilbara Agate PA230
Polished Lilac Mookaite MK281
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