Polished Tiger Iron slab TI220 Rhodonite The original structure with annular

The original structure with annular rings visible in this piece

“Eucapsiphora leakensis”

370 mm x 180 mm x 20 - 40 mm thick

Oldest agates on Earth

Weighs 903 grams

Polished Tiger Iron slab TI220 Rhodonite The original structure with annularTI220 Tiger Iron slab, cut and polished on one side. Dimensions at widest points approximately 55 mm x 50 mm wide x 5 mm thick. Weighs: 44 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.