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CH427 Chrysoprase nodule
Weighs 512 grams
Weighs 300 grams
Slightly tapering thickness of 3 - 5 mm
The interesting cylindrical cavity is all that remains of a fossil belemnite which were a squid-like creature with a tapering torpedo or bullet shaped body
Polished Tiger Iron slab TI292 toredo CH427 Chrysoprase noduleTI292 Tiger Iron slab, polished on one side . Dimensions at widest points approximately 120 mm x 60 mm wide x 7 mm thick. Weighs: 127 grams From the Cleaverville Formation, Ord Ranges near Port Hedland, Western Australia. Age is over 3 billion years. Tiger iron is a banded iron formation (BIF) or jaspilite that has alternating layers of black and brown hematite magnetite, red jasper and chatoyant golden tiger eye.