Polished Tiger Iron slab TI297 tube agate Dimensions approximately 110 mm x

Dimensions approximately 110 mm x 110 mm x 80 mm thick

Dimensions at widest point approximately 135 mm x 90 mm x 9 mm

Weighs 744 grams

CC156  Chrome chalcedony slab

TI267   Tiger Iron slab

Polished Tiger Iron slab TI297 tube agate Dimensions approximately 110 mm xTI297 Tiger Iron slab, polished on one side. Dimensions at widest points approximately 90 mm x 65 mm wide x 7 mm thick. Weighs: 102 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.