Polished Tiger Iron slab TI273 serpentine cut and polished on one

cut and polished on one side with a natural weathered back

Dimensions at widest points approximately 145 mm x 80 mm and 9 mm thick

Weighs:  287 grams

Alcheringa narrina from the Archaean Meentheena Member within the Tumbiana Formation

Polished Tiger Iron slab TI273 serpentine cut and polished on oneTI273 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.