Polished Tiger Iron slab TI317 green stones OG181 Polished orbicular granite with

OG181   Polished orbicular granite with natural rough back

Dimensions approximately 145 mm x 100 mm x 10

5 mm thick at widest points

From north of Newman in the Pilbara region of Western Australia

Dimensions at widest points approximately 165 mm x 70 mm x 14 mm thick

Polished Tiger Iron slab TI317 green stones OG181 Polished orbicular granite withTI317 Tiger Iron slab, polished on one side. Dimensions at widest points approximately 110 mm x 55 mm x 6 mm thick. Weighs: 107 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.