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Chrome-bevel sheet on grid paper — specs and return notes filed under the bay.
Weighs 429 grams
Dimensions at widest points approximately 110 mm x 65 mm x 55 mm thick
Dimensions approximately 120 mm x 90 mm x 90 mm thick
The interesting cylindrical cavity is all that remains of a fossil belemnite which was a squid-like creature with a tapering torpedo or bullet shaped body
Polished Marble Bar Chert slab MB108 black jasper Weighs 429 gramsMB108 Marble Bar Chert slab polished on one side . Dimensions at widest points approximately 130 mm x 65 mm x 16 mm thick. Weighs 265 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 rocks. From near the town of