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The interesting cylindrical cavity is all that remain of a fossil belemnite which was a squid-like creature with a tapering torpedo or bullet shaped body
Lilac Mookaite slab
BJ132 Polished "Black Jade" A trade name for metamorphosed magnesian tholeiite (basalt)
Weight is 295 grams
Polished Marble Bar Chert MB127 striped jasper The interesting cylindrical cavity isMB127 Marble Bar Chert. Cut and polished on one side with a rough, natural back. Dimensions at widest points approximately 190 mm x 110 mm x 80 mm thick. Weighs 2,111 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
US$ 625.00
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US$ 937.50
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