Polished Tiger Iron TI269 polished jasper 210 mm x 120 mm

210 mm x 120 mm x 60 mm thick

Dimensions at widest point approximately 140 mm x 75 mm x 40 mm

Weighs 833 grams

BA116  Polished Brazilian Agate slab

Displays excellent cross section of circular columns

Polished Tiger Iron TI269 polished jasper 210 mm x 120 mmTI269 Tiger Iron rough rock, cut and polished on one side with a natural rough back. Dimensions at widest points approximately 230 mm x 105 mm wide x 60 mm thick. Weighs: 2,418 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