Polished Tiger Iron slab TI291 striped jasper 75 mm x 30 mm

75 mm x 30 mm x  20 mm

50 mm x 40 mm  x 22 mm

185 mm x 65 mm x 8 mm thick

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

Dimensions at widest points approximately 140 mm x 120 mm and 11 mm thick

Polished Tiger Iron slab TI291 striped jasper 75 mm x 30 mmTI291 Tiger Iron slab, polished on one side . Dimensions at widest points approximately 160 mm x 100 mm wide x 6. 5 mm thick. Weighs: 259 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.