Polished Tiger Iron slab TI271 stand-up TIR138 Tiger Iron rough rock

TIR138 Tiger Iron rough rock

Approximate dimensions at widest points 145 mm  x 110 mm  x 33 mm thick

Dimensions at widest points approximately 55 mm x 50 mm x 28 mm thick

Weighs 56 grams

Dimensions at widest points approximately 130 mm x 95 mm x 70 mm thick

Polished Tiger Iron slab TI271 stand-up TIR138 Tiger Iron rough rockTI271 Tiger Iron slab, polished on one side . Dimensions at widest points approximately 130 mm x 55 mm wide x 6. 5 mm thick. Weighs: 118 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.