Polished Tiger Iron slab TI363 ashburton agate EU109 Eucryptite slab

EU109  Eucryptite slab

Dimensions at widest points approximately 225 mm x 120 mm x 65 mm thick

70 mm x 45 mm  x 9

Dimensions approximately 140 mm x 60 mm x 11 mm thick

NJ482  A rough rock

Polished Tiger Iron slab TI363 ashburton agate EU109 Eucryptite slabTI363 Tiger Iron slab, polished on one side. Dimensions at widest points approximately 130 mm x 70 mm x 9 mm thick. Weighs: 201 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.