Polished Tiger Iron slab TI277 polished Noreena Jasper Difficult to photograph due to

Difficult to photograph due to the mirror black polish

Approximate dimensions at widest points 200 mm  x 95 mm  x 11 mm thick

Dimensions at widest points approximately 115 mm x 75 mm x 10 mm thick

Weighs 950 grams

Dimensions at widest points approximately 220 mm x175 mm x 50 mm thick

Polished Tiger Iron slab TI277 polished Noreena Jasper Difficult to photograph due toTI277 Tiger Iron slab, polished on one side . Dimensions at widest points approximately 155 mm x 80 mm wide x 8 mm thick. Weighs: 299 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.