Polished Tiger Iron slab TI359 annular rings CH423 Chrysoprase slab polished on

CH423  Chrysoprase  slab polished  on one side

100 mm x 70 mm  x 70 mm

Quartz crystal cavity

Dimensions at widest points approximately 130 mm x 110 mm x 8 mm thick

Polished Tiger Iron slab TI359 annular rings CH423 Chrysoprase slab polished onTI359 Tiger Iron slab, polished on one side. Dimensions at widest points approximately 290 mm x 170 mm x 12. 5 mm thick. Weighs: 1,694 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.