Polished Tiger Iron slab TI349 dendritic opal Dimensions at widest points approximately

Dimensions at widest points approximately 80 mm x 50 mm x 32 mm thick

MK458   Mookaite

From north of Newman in the Pilbara region of Western Australia

PC123  Chalcedony rough rock

Dimensions at widest points approximately 140 mm x 105 mm x 12 mm thick

Polished Tiger Iron slab TI349 dendritic opal Dimensions at widest points approximatelyTI349 Tiger Iron slab, polished on one side. Dimensions at widest points approximately 320 mm x 160 mm x 11 mm thick. Weighs: 1,563 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.