Polished Tiger Iron slab TI352 Marra Mamba Tiger Eye From Nullagine in the Pilbara

From Nullagine in the Pilbara region of Western Australia

Dimensions at widest points approximately 125 mm x 95 mm x 9

Dimensions at widest points are approximately 170 mm x 45 mm x 50 mm

Thickness is slightly tapering  6 - 8 mm thick

Polished Tiger Iron slab TI352 Marra Mamba Tiger Eye From Nullagine in the PilbaraTI352 Tiger Iron slab, polished on one side. Dimensions at widest points approximately 155 mm x 90 mm x 7. 3 mm thick. Weighs: 304 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.