Polished Tiger Iron slab TI273 striped jasper Dimensions approximately 165 mm x

Dimensions approximately 165 mm x 60 mm x 8 mm thick

140 mm x 90 mm x 8 mm thick

POP174   Pink Opal rough rock

Approximate weight of each piece is between 53 and 125 grams

Polished Tiger Iron slab TI273 striped jasper Dimensions approximately 165 mm xTI273 Tiger Iron slab, polished on one side . Dimensions at widest points approximately 100 mm x 35 mm wide x 7 mm thick. Weighs: 58 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.