Polished Tiger Iron slab TI337 rare agate Weighs 128 grams

Weighs 128 grams

Dimensions at widest points approximately 175 mm x 100 mm x 6 mm thick

BJT103  Pendant shaped tumble polished "Black Jade"  from Western Australia

One edge slightly unpolished

Polished Tiger Iron slab TI337 rare agate Weighs 128 gramsTI337 Tiger Iron slab, polished on one side. Dimensions at widest points approximately 140 mm x 100 mm x 8 mm thick. Weighs: 310 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.