Polished Tiger Iron slab TI357 peanut 90 mm x 80 mm

90 mm x 80 mm x 30 mm thick

It weighs 82 grams

Dimensions at widest points approximately 130 mm x 85 mm x 75 mm thick

Weighs 520 grams

Dimensions at widest points approximately 130 mm x 80 mm x 80 mm thick

Polished Tiger Iron slab TI357 peanut 90 mm x 80 mmTI357 Tiger Iron slab, polished on one side. Dimensions at widest points approximately 155 mm x 115 mm x 8. 5 mm thick. Weighs: 318 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.