Polished Tiger Iron slab TI326 cla Dimensions approximately 100 mm x

Dimensions approximately 100 mm x 90 mm x 80 mm thick

Dimensions at widest points approximately 90 mm x 55 mm x 35 mm thick

has now been largely altered to hematite

HEM130  Hematite geode half

From Nullagine in the Pilbara region of Western Australia

Polished Tiger Iron slab TI326 cla Dimensions approximately 100 mm xTI326 Tiger Iron slab, polished on one side. Dimensions at widest points approximately 120 mm x 70 mm x 8 mm thick. Weighs: 171 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.