Polished Tiger Iron slab TI288

TI288   Tiger Iron slab, polished on one side .

Dimensions at widest points approximately 170 mm  x 75 mm wide x 6.5 mm thick.

Weighs:  211 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.