Polished Tiger Iron slab TI384 asperia ashburtonia 145 mm x 90 mm

145 mm x 90 mm x 65 mm thick & weighs 612 grams

Weighs 444 grams

Weight is 169 grams

Weight is 70 grams

Dimensions approximately 125 mm x 120 mm x 9

Polished Tiger Iron slab TI384 asperia ashburtonia 145 mm x 90 mmTI384 Tiger Iron slab, polished on one side. Dimensions at widest points approximately 220 mm x 170 mm Very slightly tapering thickness 6. 5 8. 5 mm thick. Weighs: 820 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.