Polished Tiger Iron TI367 tube agate Unusual dendritic piece with rare

Unusual dendritic piece with rare yellow tones

Dimensions at widest points approximately 185 mm x  135 mm x 60 mm thick

Dimensions approximately 90 mm x 70 mm x 75 mm deep

Dimensions at widest points approximately 65 mm x 30 mm x 20 mm thick

Weight 665 grams

Polished Tiger Iron TI367 tube agate Unusual dendritic piece with rareTI367 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.