Polished Tiger Iron slab TI287 tube agate Weighs 207 grams

Weighs 207 grams

CC152  Chrome chalcedony rough rock

These are the oldest known fossils on Earth

Dimensions at widest points of each half approx

Dimensions at widest points approximately 175 mm x 45 mm x 16 mm thick

Polished Tiger Iron slab TI287 tube agate Weighs 207 gramsTI287 Tiger Iron slab, polished on one side . Dimensions at widest points approximately 130 mm x 120 mm wide x 11 mm thick. Weighs: 409 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.