Polished Tiger Iron slab TI296 Tiger Eye polished DO172 Dendritic Opal rough rock

DO172  Dendritic Opal rough rock

Dimensions at widest points approximately 90 mm x 50 mm x 30 mm thick

Dimensions at widest points approximately 150 mm x 80 mm x 21 mm thick

Dimensions at widest point approximately 100 mm x 90 mm x 8 mm

Dimensions at widest points approximately 120 mm x 110 mm x 70 mm thick

Polished Tiger Iron slab TI296 Tiger Eye polished DO172 Dendritic Opal rough rockTI296 Tiger Iron slab, polished on one side. Amazing folds ! Dimensions at widest points approximately 130 mm x 125 mm wide x 8 mm thick. Weighs: 269 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.