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

It weighs 472 grams

Dimensions at widest points approximately 140 mm

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.