Polished Tiger Iron slab TI266 rock block has now been largely altered

has now been largely altered to hematite

210 mm x 120 mm x 60 mm thick

Dimensions at widest points are approximately 170 mm x 45 mm x 50 mm

Weighs 324 grams

a small abandoned gold mining centre in the Midwest region of Western Australia

Polished Tiger Iron slab TI266 rock block has now been largely alteredTI266 Tiger Iron slab, cut and polished on one side. Dimensions at widest points approximately 125 mm x 65 mm wide x 6 mm thick. Weighs: 108 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.