Polished Tiger Iron slab TI312 polished magneprase Dimensions approximately 150 mm x

Dimensions approximately 150 mm x 110 mm x 90 mm thick

Dimensions at widest points approximately 170 mm x 110 mm x 65 mm thick

Dimensions at widest points approximately 105 mm x 50 mm x 20 mm thick

Weighs 55 grams

Dimensions at widest points approximately 70 mm x 45 mm x 30 mm thick

Polished Tiger Iron slab TI312 polished magneprase Dimensions approximately 150 mm xTI312 Tiger Iron slab, polished on one side. Dimensions at widest points approximately 125 mm x 105 mm x 6. 5 mm thick. Weighs: 233 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.