Polished Tiger Iron slab TI417 Polished slab. OG188 A matching pair of

OG188   A matching pair of polished Orbicular Granite halves with natural rough backs

120 mm x 75 mm x 25 mm thick

Dimensions at widest points  approx

Weighs 548 grams

PA265  Pilbara Agate rough rock

Polished Tiger Iron slab TI417 Polished slab. OG188 A matching pair ofTI417 Tiger Iron slab, polished on one side. Dimensions at widest points approximately 210 mm x 110 mm x 9 mm thick. Weighs: 450 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.