Polished Tiger Iron slab TI409 chalcedony Prase rough rock

Prase rough rock

Dimensions approximately 200 mm x 90 mm x 90 mm thick

Dimensions at widest points approximately 170 mm x 100 mm x 12 mm thick

Dimensions at widest points are approximately 140 mm x 45 mm x 40 mm

Dimensions at widest points approximately 120 mm x 105 mm x 95 mm thick

Polished Tiger Iron slab TI409 chalcedony Prase rough rockTI409 Tiger Iron slab, polished on one side. Dimensions at widest points approximately 180 mm x 180 mm x 8. 7 mm thick. Weighs: 635 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.