Polished Tiger Iron slab TI289 polished prehnite 120 mm x 90 mm

120 mm x 90 mm  x 7 mm

Dimensions at widest points approximately 155 mm x 80 mm x 13 mm thick

It weighs 253 grams

From the "Marra Mamba Iron Formation" near Mt

Dimensions at widest points approximately 140 mm x 80 mm x 80 mm thick

Polished Tiger Iron slab TI289 polished prehnite 120 mm x 90 mmTI289 Tiger Iron slab, polished on one side . Dimensions at widest points approximately 180 mm x 70 mm wide x 7 mm thick. Weighs: 228 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.