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

Dimensions at widest points approximately 65 mm x 50 mm x 50 mm thick

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

B220  Black Jasper Conglomerate slab

95 mm x 55 mm x 65 mm

Weight is 275 grams

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.