Polished Tiger Iron slab TI289

TI289   Tiger Iron slab, polished on one side .

Dimensions at widest points approximately 180 mm  x 70 mm wide x 7 mm thick.

Weighs:  228 grams

From the Cleaverville Formation, Ord Ranges near Port Hedland, Western Australia. Age is over 3 billion years.

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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.