Polished Tiger Iron TI367 stripey Dimensions at widest points approximately

Dimensions at widest points approximately 170 mm x 110 mm x 100 mm thick

Asperia digitata (formerly Yelma digitata) from the Proterozoic "Yelma Formation"

Weighs 667 grams

220 mm x 150 mm x 8

BA105  Polished Brazilian Agate slab

Polished Tiger Iron TI367 stripey Dimensions at widest points approximatelyTI367 Tiger Iron rough rock, cut and polished on one side with a rough natural back. Dimensions at widest points approximately 230 mm x 180 mm x 40 mm thick. Weighs: 1,675 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.