Polished Tiger Iron slab TI398 polished snakeskin PU134 Purple Chalcedony slab
Baker’s notes & crumb story
Description
PU134 Purple Chalcedony slab
Dimensions at widest points approximately 140 mm x 120 mm and 11 mm thick
RH255 A slab
Weighs 743 grams
VV110 Vivianite nodule cut in half with face polished
Polished Tiger Iron slab TI398 polished snakeskin PU134 Purple Chalcedony slabTI398 Tiger Iron slab, polished on one side. Dimensions at widest points approximately 140 mm x 90 mm x 9 mm thick. Weighs: 337 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.