Polished Tiger Iron slab TI266 rock block 135 mm x 100 mm

135 mm x 100 mm x 50 mm thick

has now been largely altered to hematite

OJ161  A rough rock

MC105 Marillana Conglomerate slab

Dimensions at widest points are approximately 170 mm x 45 mm x 50 mm

Polished Tiger Iron slab TI266 rock block 135 mm x 100 mmTI266 Tiger Iron slab, cut and polished on one side. Dimensions at widest points approximately 125 mm x 65 mm wide x 6 mm thick. Weighs: 108 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.