Polished Tiger Iron slab TI356 rare Dimensions approximately 160 mm x

Dimensions approximately 160 mm x 120 mm x 60 mm thick

7 billion years

Dimensions at widest points approximately 170 mm  x 110 mm  x 35 mm thick

Dimensions at widest points approximately 75 mm x 55 mm x 11 mm thick

Polished Tiger Iron slab TI356 rare Dimensions approximately 160 mm xTI356 Tiger Iron slab, polished on one side. Dimensions at widest points approximately 350 mm x 190 mm x 9 mm thick. Weighs: 1,379 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.