Description
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
CO107 DeGrussa copper ore slab
Dimensions at widest points approximately 110 mm x 65 mm x 55 mm thick
Weighs 429 grams
Click here for more information about Noreena Jasper
Polished Marble Bar Chert slab MB108 black jasper The interesting cylindrical cavity isMB108 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
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