Polished Tiger Iron slab TI304 polished prehnite 285 mm x 90 mm

285 mm x 90 mm x 10 mm thick

From Mooka Creek near the Kennedy Ranges

Dimensions at widest points approximately 100 mm x 60 mm x 45 mm thick

Dimensions approximately 100 mm x 50 mm x 11 mm thick

Polished Tiger Iron slab TI304 polished prehnite 285 mm x 90 mmTI304 Tiger Iron slab, polished on one side. Dimensions at widest points approximately 185 mm x 160 mm x 8 mm thick. Weighs: 562 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.