Polished Tiger Iron TI381

TI381   Tiger Iron rough rock, cut and polished on one side with a rough natural back.

Dimensions at widest points approximately 180 mm  x 75 mm x 40 mm thick.

Weighs: 856 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.