Polished Tiger Iron slab TI329 peanut wood CH447 Chrysoprase rough rock

CH447  Chrysoprase  rough rock

160 mm x 70 mm  x 7 mm

Dimensions approximately 145 mm x 85 mm x 9 mm thick

Dimensions at widest points approximately 160 mm  x 50 mm wide x 35 mm thick

Lepidolite rough rock

Polished Tiger Iron slab TI329 peanut wood CH447 Chrysoprase rough rockTI329 Tiger Iron slab, polished on one side. Dimensions at widest points approximately 180 mm x 105 mm x 7 mm thick. Weighs: 317 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.