Polished Tiger Iron slab TI329 oldest agate in the world BA104 Polished Brazilian Agate slab

BA104  Polished Brazilian Agate slab

AZ131  Azurite sun mineral specimen

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

210 mm high x 110 mm wide x 80 mm

Weighs 821 grams

Polished Tiger Iron slab TI329 oldest agate in the world BA104 Polished Brazilian Agate slabTI329 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.