Description
KO121 Killaloe Opal slab
TER101 Marra Mamba Tiger Eye rough rock
155 mm x 100 mm x 6 mm thick
tumbling or specimens
Dimensions at widest points approximately 140 mm x 110 mm x 75 mm thick
Polished Tiger Iron TI379 slab KO121 Killaloe Opal slabTI379 Tiger Iron rough rock, cut and polished on one side with a rough natural back and a cut base to sit as a display specimen. Dimensions at widest points approximately 190 mm x 80 mm x 35 mm thick. Weighs: 1,283 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,