Polished Tiger Iron TI294 chalcedony More correctly an iron-rich

More correctly an iron-rich

Dimensions approximately 70 mm x 60 mm x 30 mm deep

Snakeskin Jasper slab

It weighs 559 grams

Dimensions at widest points approximately 120 mm  x 55 mm wide x 8 mm thick

Polished Tiger Iron TI294 chalcedony More correctly an iron-richTI294 Tiger Iron rough rock, cut and polished on one side with a natural rough back. Dimensions at widest points approximately 95 mm x 25 mm wide x 30 mm thick. Weighs: 169 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.