Polished Tiger Iron slab TI317 crystophase Approximate dimensions at widest points

Approximate dimensions at widest points 140 mm  x 90 mm  x 50 mm thick

Dimensions approximately 145mm x 75mm x 8mm thick

PU126  Purple Chalcedony slab

100 mm x 70 mm x 50 mm thick

Polished Tiger Iron slab TI317 crystophase Approximate dimensions at widest pointsTI317 Tiger Iron slab, polished on one side. Dimensions at widest points approximately 110 mm x 55 mm x 6 mm thick. Weighs: 107 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.