Polished Tiger Iron slab TI325 agate 150 mm x 90 mm

150 mm x 90 mm x 7 mm thick

110 mm x 110 mm x 8 mm

These interesting mineral oddities occur in the banks of the Gascoyne River about 130 km east of Carnarvon

petalite and quartz

Has some fractures

Polished Tiger Iron slab TI325 agate 150 mm x 90 mmTI325 Tiger Iron slab, polished on one side. Dimensions at widest points approximately 140 mm x 75 mm x 8. 5 mm thick. Weighs: 195 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.