Polished Tiger Iron slab TI319 chrysoprase 6 pieces of Green Opal

6 pieces of Green Opal rough suitable for cabbing

Dimensions at widest points approximately 80 mm x 50 mm x 40 mm thick

Dimensions at widest points approximately 200 mm x 70 mm x 45 mm thick

Weighs 453 grams

180 mm x 105 mm x 30 mm thick

Polished Tiger Iron slab TI319 chrysoprase 6 pieces of Green OpalTI319 Tiger Iron slab, polished on one side. Dimensions at widest points approximately 130 mm x 60 mm x 8 mm thick. Weighs: 150 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.