Polished Tiger Iron slab TI351 polished slab Very rare colours in this

Very rare colours in this one

55 mm x 50 mm x  15 mm

24 pieces  of mixed varieties of Australian tumble polished gemstones

Dimensions at widest points approximately 150 mm x 85 mm x 70 mm thick

Polished Tiger Iron slab TI351 polished slab Very rare colours in thisTI351 Tiger Iron slab, polished on one side. Dimensions at widest points approximately 220 mm x 170 mm x 8 mm thick. Weighs: 769 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.