Polished Tiger Iron slab TI313 peanut wood Dimensions approximately 85 mm x

Dimensions approximately 85 mm x 45 mm x 45 mm deep

Pyritised pebbles

Dimensions at widest points approximately 200 mm x 110 mm x 50 mm thick

Dimensions at widest point approximately 130 mm x 110 mm x 8 mm

Polished Tiger Iron slab TI313 peanut wood Dimensions approximately 85 mm xTI313 Tiger Iron slab, polished on one side. Dimensions at widest points approximately 195 mm x 140 mm x 8 mm thick. Weighs: 646 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.