Polished Tiger Iron TI379 polished magneprase 90 mm x 60 mm

90 mm x 60 mm x 30 mm

5 mm  thick

Dimensions at widest points approximately 160 mm x 75 mm x 10 mm thick

Weighs 504 grams

Weight  is 662 grams

Polished Tiger Iron TI379 polished magneprase 90 mm x 60 mmTI379 Tiger Iron rough rock, cut and polished on one side with a rough natural back and a cut base to sit as a display specimen. Dimensions at widest points approximately 190 mm x 80 mm x 35 mm thick. Weighs: 1,283 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,