Polished Tiger Iron slab TI343 Polished dendritic opal OG198 Polished orbicular granite with

OG198   Polished orbicular granite with natural rough back

Dimensions approximately 140 mm x 75 mm x 7

Dimensions at widest points approximately 160 mm x 90 mm x 90 mm thick

Weight is 509 grams

NJ455   Noreena Jasper slab

Polished Tiger Iron slab TI343 Polished dendritic opal OG198 Polished orbicular granite withTI343 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.