Polished Tiger Iron slab TI329 oldest agate in the world Dimensions at widest points approximately

Dimensions at widest points approximately 110 mm x 100 mm x 15 mm thick

210 mm high x 110 mm wide x 80 mm

B220  Black Jasper Conglomerate slab

Weighs 821 grams

160 mm x 110 mm x 10

Polished Tiger Iron slab TI329 oldest agate in the world Dimensions at widest points approximatelyTI329 Tiger Iron slab, polished on one side. Dimensions at widest points approximately 180 mm x 105 mm x 7 mm thick. Weighs: 317 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.