Polished Tiger Iron TI382 chrysoprase Dimensions at widest points approximately

Dimensions at widest points approximately 160 mm

Weight is 127 grams

Dimensions at widest points approximately 160 mm x 150 mm x 50 mm thick

125 mm x 95 mm x 7 mm thick and weighs 202 grams

The subtle lime green colouration is caused by the presence of nickel mineralisation

Polished Tiger Iron TI382 chrysoprase Dimensions at widest points approximatelyTI382 Tiger Iron rough rock, cut and polished on one side with a rough natural back. Dimensions at widest points approximately 110 mm x 60 mm x 30 mm thick. Weighs: 405 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.