Polished Tiger Iron slab TI405 Polished dendritic opal 90 mm x 75 mm

90 mm x 75 mm x 30 - 45 mm thick

Dimensions at widest points approximately 110 mm x 80 mm x 12 mm thick

Weighs: 192 grams

OJT105  Tumble polished Outback Jasper from Western Australia

Polished Tiger Iron slab TI405 Polished dendritic opal 90 mm x 75 mmTI405 Tiger Iron slab, polished on one side. Dimensions at widest points approximately 110 mm x 100 mm x 9. 5 mm thick. Weighs: 234 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.