US$ 27.99
DO172 Dendritic Opal rough rock
Dimensions at widest points approximately 150 mm x 90 mm x 55 mm thick
TI270 Tiger Iron slab
Weighs: 962 grams
CH424 Chrysoprase nodule
Polished Tiger Iron slab TI370 striped jasper DO172 Dendritic Opal rough rockTI370 Tiger Iron slab, polished on one side. Dimensions at widest points approximately 190 mm x 70 mm x 9 mm thick. Weighs: 367 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.