Polished Tiger Iron slab TI348 polished slab Dimensions approximately 180 mm x

Dimensions approximately 180 mm x 65 mm x 6 mm thick

155 mm x 100 mm x 6 mm thick

From north of Kalgoorlie

290 mm x 150 mm x 14 mm thick

Dimensions at widest point approximately 200 mm x 130 mm x 70 mm

Polished Tiger Iron slab TI348 polished slab Dimensions approximately 180 mm xTI348 Tiger Iron slab, polished on one side. Dimensions at widest points approximately 290 mm x 200 mm x 9 mm thick. Weighs: 1,436 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.