Polished Tiger Iron slab TI405 Polished dendritic opal Dimensions at widest points approximately

Dimensions at widest points approximately 310 mm x 210 mm x 16 mm thick

90 mm x 40 mm  x 20 mm

90 mm x 75 mm x 30 - 45 mm thick

TI376  Tiger Iron slab

Polished Tiger Iron slab TI405 Polished dendritic opal Dimensions at widest points approximatelyTI405 Tiger Iron slab, polished on one side. Dimensions at widest points approximately 110 mm x 100 mm x 9. 5 mm thick. Weighs: 234 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.