Polished Tiger Iron slab TI354 Desert Sunset Very unusual zoning as well

Very unusual zoning as well as a cross-cutting quartz vein

Approximate dimensions at widest points 95 mm  x 95 mm  x 80 mm thick

135 mm x 120 mm x 6

It weighs 472 grams

Polished Tiger Iron slab TI354 Desert Sunset Very unusual zoning as wellTI354 Tiger Iron slab, polished on one side. Dimensions at widest points approximately 250 mm x 120 mm x 9. 4 mm thick. Weighs: 885 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.