Polished Tiger Iron slab TI297 polished rock Dimensions approximately 85 mm x

Dimensions approximately 85 mm x 60 mm x 7 mm thick

Tumble polished Rhodonite

190 mm x 95 mm x 25 mm thick

From the Cleaverville Formation

RFJ126  Rainforest Jasper rough rock

Polished Tiger Iron slab TI297 polished rock Dimensions approximately 85 mm xTI297 Tiger Iron slab, polished on one side. Dimensions at widest points approximately 90 mm x 65 mm wide x 7 mm thick. Weighs: 102 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.