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Ships within 48 hours · Estimated delivery Sep 3 - Sep 8
It weighs 300 grams
Hay thunder egg"
Dimensions at widest points approximately 110 mm x 110 mm x 90 mm thick
MN136 Magneprase rough rock
Polished Marble Bar Chert MB104 rock blocks It weighs 300 gramsMB104 Marble Bar Chert. Cut and polished on one side with a rough, natural back and a cut base to stand as a display specimen ! Dimensions at widest points approximately 140 mm x 70 mm x 40 mm thick. Weighs 850 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
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