Polished Tiger Iron slab TI359 annular rings 100 mm x 70 mm

100 mm x 70 mm  x 70 mm

Dimensions at widest points approximately 45 mm x 43 mm x 15 mm thick

Dimensions at widest points approximately 135 mm x 55 mm x 45 mm thick

Dimensions at widest points approximately 195 mm x 145 mm x 13 mm thick

45 mm x 30 mm x 25 mm

Polished Tiger Iron slab TI359 annular rings 100 mm x 70 mmTI359 Tiger Iron slab, polished on one side. Dimensions at widest points approximately 290 mm x 170 mm x 12. 5 mm thick. Weighs: 1,694 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.