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Measures approximately 220mm x 120mm and 7mm thick
Weighs 541 grams
70 million years (Cretaceous)
Dimensions at widest points approximately 130 mm x 90 mm and 13 mm thick
Quartz is white
Polished fossil stromatolite. Alcheringa narrina. ALC156 Polished slab. Measures approximately 220mm x 120mmALC156 Fossil stromatolite , polished on one side with natural weathered exterior on rear. Museum quality specimen ! 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. 300 mm x 205 mm x 50 mm thick. Weighs 4,730 grams.
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