Polished Tiger Iron slab TI343 Polished dendritic opal Dimensions at widest points approximately

Dimensions at widest points approximately 170 mm x 105 mm x 8 mm thick

It weighs 218 grams

Sits nicely as a display specimen

Dimensions approximately 140 mm x 75 mm x 7

NJ455   Noreena Jasper slab

Polished Tiger Iron slab TI343 Polished dendritic opal Dimensions at widest points approximatelyTI343 Tiger Iron slab, polished on one side. Dimensions at widest points approximately 100 mm x 70 mm x 7 mm thick. Weighs: 134 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.