Polished Tiger Iron TI206 oldest agate in the world 500 mm x 140 mm

500 mm x 140 mm x 130 mm thick

Fossil stromatolite slab

From near Paynes Find in the Midwest region

Weighs 224 grams

SD156 Stromatolitic Dolomite slab

Polished Tiger Iron TI206 oldest agate in the world 500 mm x 140 mmTI206 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.