Polished Tiger Iron slab TI372 stripey A thick slab polished on

A thick slab polished on one side and a cut base to stand on

POT138  Tumble polished Pink Opal from Mooka Creek

Dimensions at widest point approximately 135 mm x 75 mm x 8

170 mm x 70 mm  x 15

Polished Tiger Iron slab TI372 stripey A thick slab polished onTI372 Tiger Iron slab, polished on one side. Dimensions at widest points approximately 105 mm x 90 mm x 10. 5 mm thick. Weighs: 285 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.