Polished Tiger Iron TI361 Polished dendritic opal Dimensions at widest points approximately

Dimensions at widest points approximately 130 mm x 55 mm x 7 mm thick

Dimensions at widest points approximately 105 mm high x 70 mm x 25 mm thick

Weighs 207 grams

Dundas Mineral Field near Zeehan

Weight is 141 grams

Polished Tiger Iron TI361 Polished dendritic opal Dimensions at widest points approximatelyTI361 Tiger Iron rough rock, cut and polished on one side with a rough natural back. Dimensions at widest points approximately 120 mm x 120 mm x 80 mm thick. Weighs: 1,863 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.