Polished Tiger Iron slab TI346 peanut HEM131 Hematite geode half

HEM131  Hematite geode half

130 mm x 100 mm x 7 mm thick

Sometimes it exhibits striking contrasting veins of magnesite

Dimensions at widest points approximately 65 mm x 55 mm x 18 mm thick

Dimensions at widest points approximately 120 mm x 60 mm x 50 mm thick

Polished Tiger Iron slab TI346 peanut HEM131 Hematite geode halfTI346 Tiger Iron slab, polished on one side. Dimensions at widest points approximately 200 mm x 165 mm x 7. 5 mm thick. Weighs: 607 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.