Polished Tiger Iron TI206 snakeskin This stone occurs in the

This stone occurs in the Pilbara region of Western Australia

Dimensions at widest points approximately 130 mm x  90 mm x 65 mm thick

SD156 Stromatolitic Dolomite slab

Dimensions at widest points approximately 190 mm x 150 mm x 10 mm thick

Weight is 1

Polished Tiger Iron TI206 snakeskin This stone occurs in theTI206 Tiger Iron rough rock, cut and polished on one side with a natural back. Dimensions at widest points approximately 110 mm x 40 mm wide x 30 mm thick. Weighs: 245 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.