Polished Tiger Iron slab TI398 polished snakeskin White magnesite veins crosscutting

White magnesite veins crosscutting

95 mm x 85 mm x 8

Weighs 63 grams

VV110  Vivianite nodule cut in half with face polished

Weighs 743 grams

Polished Tiger Iron slab TI398 polished snakeskin White magnesite veins crosscuttingTI398 Tiger Iron slab, polished on one side. Dimensions at widest points approximately 140 mm x 90 mm x 9 mm thick. Weighs: 337 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.