Polished Tiger Iron slab TI355 picture jasper Dimensions approximately 85 mm x

Dimensions approximately 85 mm x 60 mm x 7 mm thick

Dimensions at widest points approximately 170 mm x  125 mm x 30 mm thick

DO192  Dendritic Opal slab polished on one side

It weighs 337 grams

Polished Tiger Iron slab TI355 picture jasper Dimensions approximately 85 mm xTI355 Tiger Iron slab, polished on one side. Dimensions at widest points approximately 260 mm x 170 mm x 12 mm thick. Weighs: 1,504 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.