Polished Tiger Iron slab TI349 petrified wood 100 mm x 90 mm

100 mm x 90 mm x 30 mm thick

Dimensions at widest points approximately 130 mm x 65 mm x 30 mm thick

DO172  Dendritic Opal rough rock

Dimensions at widest points of each half approx

Polished Tiger Iron slab TI349 petrified wood 100 mm x 90 mmTI349 Tiger Iron slab, polished on one side. Dimensions at widest points approximately 320 mm x 160 mm x 11 mm thick. Weighs: 1,563 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.