Polished Tiger Iron TI327 Rhodonite CH442 Chrysoprase slab polished on

CH442  Chrysoprase  slab polished  on one side

Dimensions at widest points approximately 110 mm x  80 mm x 30 mm thick

Unusual colouration caused by natural iron oxide weathering

Tumble polished Brecciated Pink Opal from Mooka Creek

Dimensions at widest points are approximately 85 mm x 70 mm x 50 mm

Polished Tiger Iron TI327 Rhodonite CH442 Chrysoprase slab polished onTI327 Tiger Iron rough rock, cut and polished on one side with a rough natural back. Dimensions at widest points approximately 130 mm x 65 mm x 35 mm thick. Weighs: 590 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.