Polished fossil stromatolite slab. Alcheringa narrina. ALC158 fossil stromatolite Dimensions at widest points approximately
Description
Dimensions at widest points approximately 110 mm x 90 mm x 55 mm thick
Rough Lime Magnesite suitable for cabbing
AZ133 Azurite sun mineral specimen
Dimensions at widest points approximately 145 mm x 105 mm and 60 mm thick
Polished fossil stromatolite slab. Alcheringa narrina. ALC158 fossil stromatolite Dimensions at widest points approximatelyALC158 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. Dimensions at widest points approx. 160 mm x 90 mm x 17 mm thick. Weighs 493 grams.
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