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Ships within 48 hours · Estimated delivery Sep 2 - Sep 7
Reserve from the case
Ships within 48 hours · Estimated delivery Sep 2 - Sep 7
Dimensions at widest points approximately 125 mm x 70 mm x 7 mm thick
Weighs 191 grams
most commonly the green chromiferous muscovite mica
KO122 Killaloe Opal rough rock
Weighs 132 grams
Polished Marble Bar Chert MB107 Nickeloan magnesite Dimensions at widest points approximatelyMB107 Marble Bar Chert. Cut and polished on one side with a rough, natural back. Dimensions at widest points approximately 105 mm x 60 mm x 50 mm thick. Weighs 520 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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