Polished Tiger Iron slab TI359

TI359  Tiger Iron slab, polished on one side.

Dimensions at widest points approximately 290 mm  x 170 mm x 12.5 mm thick.

Weighs:  1,694 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.