Polished Tiger Iron slab TI336 Orbicular Granite Dimensions approximately 140 mm x

Dimensions approximately 140 mm x 75 mm x 7

NJ462  A rough rock

Dimensions at widest points approximately 160 mm x 110 mm x 45 mm thick

Weighs  124 grams

Polished Tiger Iron slab TI336 Orbicular Granite Dimensions approximately 140 mm xTI336 Tiger Iron slab, polished on one side. Dimensions at widest points approximately 200 mm x 150 mm x 7 mm thick. Weighs: 509 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.