Polished Tiger Iron slab TI273 serpentine Weighs: 287 grams

Weighs:  287 grams

It weighs 412 grams

Dimensions at widest points approximately 190 mm x 160 mm x 37 mm thick

Alcheringa narrina from the Archaean Meentheena Member within the Tumbiana Formation

305 mm x 125 mm x 13 mm thick & weighs 918 grams

Polished Tiger Iron slab TI273 serpentine Weighs: 287 gramsTI273 Tiger Iron slab, polished on one side . Dimensions at widest points approximately 100 mm x 35 mm wide x 7 mm thick. Weighs: 58 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.