Polished Tiger Iron slab TI389 Polished rock. It weighs 265 grams

It weighs 265 grams

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

All reasonably uniform in size (roughly 15 - 20 mm diameter}

It weighs 235 grams

Polished Tiger Iron slab TI389 Polished rock. It weighs 265 gramsTI389 Tiger Iron slab, polished on one side. Dimensions at widest points approximately 200 mm x 45 mm x 7. 5 mm thick. Weighs: 190 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.