Polished Tiger Iron slab TI276 oldest agate in the world It weighs 219 grams

It weighs 219 grams

Dimensions at widest points approximately 115 mm x 75 mm x 10 mm thick

Prase is a chrome-rich chert

CLA260   Australian Crazy Lace Agate slab

OPS106  Opalised Serpentine slab

Polished Tiger Iron slab TI276 oldest agate in the world It weighs 219 gramsTI276 Tiger Iron slab, polished on one side . Dimensions at widest points approximately 170 mm x 75 mm wide x 9 mm thick. Weighs: 272 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.