Polished Tiger Iron slab TI287 Marra Mamba Tiger Eye 110 mm x 95 mm

110 mm x 95 mm x 8 mm thick and weighs 158 grams

Weighs 439 grams

also known as Ashburton Agate

Approximate dimensions at widest points 135 mm  x 45 mm  x 35 mm thick

Weighs 384 grams

Polished Tiger Iron slab TI287 Marra Mamba Tiger Eye 110 mm x 95 mmTI287 Tiger Iron slab, polished on one side . Dimensions at widest points approximately 130 mm x 120 mm wide x 11 mm thick. Weighs: 409 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.