Polished Tiger Iron slab TI388 rare Dimensions at widest point approximately

Dimensions at widest point approximately 235 mm x 60 mm x 13 mm

Dimensions at widest points approximately 100 mm x 100 mm x 9 mm thick

Sometimes it exhibits striking contrasting veins of magnesite

SU148  Sunset Jasper slab

Polished Tiger Iron slab TI388 rare Dimensions at widest point approximatelyTI388 Tiger Iron slab, polished on one side. Dimensions at widest points approximately 150 mm x 100 mm x 7 mm thick. Weighs: 234 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.