Polished Tiger Iron TI269 atlantisite Approximate dimensions at widest points

Approximate dimensions at widest points 75 mm  x 55 mm  x 40 mm thick

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

Dimensions at widest points approximately 85 mm x 70 mm x 45 mm thick

115 mm x 110 mm x 40 mm thick

Also known as Atlantisite

Polished Tiger Iron TI269 atlantisite Approximate dimensions at widest pointsTI269 Tiger Iron rough rock, cut and polished on one side with a natural rough back. Dimensions at widest points approximately 230 mm x 105 mm wide x 60 mm thick. Weighs: 2,418 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