Polished Tiger Iron slab TI347 beryl It occurs in the Proterozoic

It occurs in the Proterozoic Mount Bruce Supergroup which is part of the Fortescue Group with an age of approx

CC147  Chrome chalcedony slab

120 mm x 50 mm  x 6 mm

NJ475  Noreena Jasper slab

Dimensions at widest points approximately 210 mm high x 150 mm x 75 mm thick

Polished Tiger Iron slab TI347 beryl It occurs in the ProterozoicTI347 Tiger Iron slab, polished on one side. Dimensions at widest points approximately 240 mm x 160 mm x 10 mm thick. Weighs: 962 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.