Polished Tiger Iron slab TI291 #gemstone From the Strelley Pool Formation

From the Strelley Pool Formation in the Pilbara region of Western Australia

Dimensions at widest points approximately 90 mm x 45 mm x 35 mm thick

Rough Gaspeite

190 mm x 160 mm x 9 mm thick

Weighs  183 grams

Polished Tiger Iron slab TI291 #gemstone From the Strelley Pool FormationTI291 Tiger Iron slab, polished on one side . Dimensions at widest points approximately 160 mm x 100 mm wide x 6. 5 mm thick. Weighs: 259 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.