Polished Tiger Iron slab TI318 aquamarine POT124 Tumble polished Pink Opal

POT124  Tumble polished Pink Opal from Mooka Creek

95 mm x 60 mm x 9 mm

Unusual colouration caused by natural iron oxide weathering

Weighs 110 grams

Dimensions at widest points approximately 155 mm x 110 mm x 55 mm thick

Polished Tiger Iron slab TI318 aquamarine POT124 Tumble polished Pink OpalTI318 Tiger Iron slab, polished on one side. Dimensions at widest points approximately 150 mm x 100 mm x 6. 4 mm thick. Weighs: 243 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.