Polished Tiger Iron slab TI360 rare OG177 Polished orbicular granite slab

OG177   Polished orbicular granite slab

125 mm x 60 mm  x 45 mm

TI264   Tiger Iron slab

Dimensions at widest points approximately 140 mm x 90 mm x 65 mm thick

Pilbaria sp

Polished Tiger Iron slab TI360 rare OG177 Polished orbicular granite slabTI360 Tiger Iron slab, polished on one side. Dimensions at widest points approximately 195 mm x 130 mm x 9. 5 mm thick. Weighs: 454 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.