Polished Tiger Iron slab TI296 Nickeloan magnesite 50 mm x 40 mm

50 mm x 40 mm  x 20 mm

165 mm x 120 mm x 25 mm

Weighs 369 grams

Dimensions at widest points approximately 120 mm  x 100 mm wide x 6 mm thick

NJ432  A rough rock

Polished Tiger Iron slab TI296 Nickeloan magnesite 50 mm x 40 mmTI296 Tiger Iron slab, polished on one side. Amazing folds ! Dimensions at widest points approximately 130 mm x 125 mm wide x 8 mm thick. Weighs: 269 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.