Polished Tiger Iron slab TI365 rare agate Dimensions approximately 185 mm x

Dimensions approximately 185 mm x 115 mm x 16 mm thick

210 mm x 190 mm x 8

Weighs 974 grams

Dimensions at widest points approximately 110 mm x 70 mm x 35 mm thick

DO183  Dendritic Opal rough rock

Polished Tiger Iron slab TI365 rare agate Dimensions approximately 185 mm xTI365 Tiger Iron slab, polished on one side. Dimensions at widest points approximately 130 mm x 30 mm x 6 mm thick. Weighs: 62 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.