Polished Tiger Iron TI269 polished jasper Dimensions at widest point approximately

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

Weighs 833 grams

Displays excellent cross section of circular columns

Weighs 378 grams

BA116  Polished Brazilian Agate slab

Polished Tiger Iron TI269 polished jasper Dimensions at widest point approximatelyTI269 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