Polished Tiger Iron slab TI298 Green Opal Dimensions approximately 140 mm x

Dimensions approximately 140 mm x 60 mm x 11 mm thick

Weighs 699 grams

Weighs 663 grams

Approximate dimensions at widest points 120 mm long  x 100 mm  x 30 mm thick

Polished Tiger Iron slab TI298 Green Opal Dimensions approximately 140 mm xTI298 Tiger Iron slab, polished on one side. Dimensions at widest points approximately 120 mm x 40 mm wide x 6 mm thick. Weighs: 80 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.