Polished Tiger Iron slab TI370 purple chalcedony 5 mm thick at widest

5 mm thick at widest points

SU167  Sunset Jasper slab

Dimensions at widest point approximately 200 mm x 130 mm x 70 mm

Dimensions at widest points approximately 120 mm x 70 mm x 8 mm thick

NJ438   Noreena Jasper slab

Polished Tiger Iron slab TI370 purple chalcedony 5 mm thick at widestTI370 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.