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Ships within 48 hours · Estimated delivery Sep 8 - Sep 13
Weighs 207 grams
Dimensions at widest points approximately 75 mm x 50 mm x 28 mm thick
Dimensions at widest points approximately 100 mm x 45 mm x 8
Weighs 390 grams
Alcheringa narrina from the Archaean Meentheena Member within the Tumbiana Formation
Polished Marble Bar Chert MB110 Rough rock Weighs 207 gramsMB110 Marble Bar Chert. Cut and polished on one side with a rough, natural back. Dimensions at widest points approximately 110 mm x 55 mm x 45 mm thick. Weighs 339 grams. Marble Bar chert is a finely banded, iron rich silica rock from the Marble Bar Chert Member (Warrawoona Group) of Western Australia. Formed in shallow Archean seas, it dates to the Paleoarchean (~3. 46 billion years old), making it one of the Earths oldest well preserved sedimentary
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