Polished Tiger Iron slab TI262 chrysoprase Dimensions approximately 85 mm x

Dimensions approximately 85 mm x 85 mm x 70 mm thick

Gaspeite slab

Dimensions at widest points approximately 100 mm x 75 mm x 40 mm thick

Weighs 834 grams

Polished Tiger Iron slab TI262 chrysoprase Dimensions approximately 85 mm xTI262 Tiger Iron slab, cut and polished on one side. Dimensions at widest points approximately 150 mm x 90 mm wide x 9 mm thick. Weighs: 317 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.