Polished Tiger Iron slab TI320 alcheringa narrina MN127 Magneprase slab

MN127  Magneprase slab

Dimensions at widest points approximately 100 mm x 90 mm x 60 mm thick

Dimensions at widest points approximately 80 mm x 80 mm x 8

EU101  Eucryptite rough rock

Dimensions at widest points approximately 120 mm  x 110 mm x 7 mm thick

Polished Tiger Iron slab TI320 alcheringa narrina MN127 Magneprase slabTI320 Tiger Iron slab, polished on one side. Dimensions at widest points approximately 130 mm x 70 mm x 7. 5 mm thick. Weighs: 172 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.