Polished Tiger Iron slab TI390 Polished Rhodonite age approx

age approx

Dimensions at widest points approximately 150 mm x 110 mm x 11

Dimensions at widest points approximately 105 mm x 70 mm and 45 mm thick

Dimensions at widest points approximately 125 mm x 95 mm and 10 mm thick

Weighs 674 grams

Polished Tiger Iron slab TI390 Polished Rhodonite age approxTI390 Tiger Iron slab, polished on one side. Dimensions at widest points approximately 210 mm x 70 mm x 7. 5 mm thick. Weighs: 288 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.