Polished Tiger Iron slab TI285 quartz It comes from a different

It comes from a different locality about 170 kilometres from the well known Brockman/ Marra Mamba tiger eye

cut and polished on one side with a natural rough back and a cut base to stand as a display specimen

765 million years Polymictic : a conglomerate which contains clasts (fragments) of many different rock types

Weighs 606 grams

Weight is 509 grams

Polished Tiger Iron slab TI285 quartz It comes from a differentTI285 Tiger Iron slab, polished on one side . Dimensions at widest points approximately 135 mm x 105 mm wide x 10 mm thick. Weighs: 356 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.