Polished Tiger Iron slab TI384 Marra Mamba Dimensions at widest points approximately

Dimensions at widest points approximately 70 mm x 35 mm x 30 mm thick

190 mm x 95 mm x 70 mm thick

Age is Palaeoproterozoic (1

Dimensions at widest points approximately 170 mm  x 100 mm x 33 mm thick

330 mm x 130 mm x 130 mm thick & weighs 11

Polished Tiger Iron slab TI384 Marra Mamba Dimensions at widest points approximatelyTI384 Tiger Iron slab, polished on one side. Dimensions at widest points approximately 220 mm x 170 mm Very slightly tapering thickness 6. 5 8. 5 mm thick. Weighs: 820 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.