Polished Tiger Iron slab TI268 chrysoprase At widest points approx

At widest points approx

Dimensions at widest points approximately 120 mm x 60  mm x 8 mm thick

Dimensions approximately 125 mm x 110 mm x 80 mm thick

70 million years (Cretaceous)

Polished Tiger Iron slab TI268 chrysoprase At widest points approxTI268 Tiger Iron slab, cut and polished on one side. Dimensions at widest points approximately 130 mm x 70 mm wide x 7 mm thick. Weighs: 135 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.