Polished Tiger Iron display specimen TI330 oldest agate in the world Dimensions at widest points approximately

Dimensions at widest points approximately 170 mm x 140 mm x 65 mm thick

Dimensions at widest points approximately 105 mm x 65 mm x 7 mm thick

Lepidolite slab

180 mm x 70 mm x 11 mm

Weight is 740 grams

Polished Tiger Iron display specimen TI330 oldest agate in the world Dimensions at widest points approximatelyTI330 Tiger Iron rough rock, cut and polished on one side with a rough natural back and a cut base to stand as a display specimen. Dimensions at widest points approximately 225 mm x 90 mm x 45 mm thick. Weighs: 1,810 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