Polished Tiger Iron slab TI407 green Dimensions approximately 140 mm x

Dimensions approximately 140 mm x 130 mm x 100 mm thick

Dimensions at widest points are approximately 175 mm x 65 mm x 35 mm

Weighs 316grams

OG174   A matching pair of polished Orbicular Granite halves with natural rough backs

Polished Tiger Iron slab TI407 green Dimensions approximately 140 mm xTI407 Tiger Iron slab, polished on one side. Dimensions at widest points approximately 330 mm x 170 mm x 11 mm thick. Weighs: 1,548 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.