Polished Tiger Iron slab TI342 annular rings Weighs 510 grams
Baker’s notes & crumb story
Description
Weighs 510 grams
Weighs: 157 grams
All reasonably uniform in size (roughly 20 - 30 mm diameter}
Weighs: 127 grams
Polished Tiger Iron slab TI342 annular rings Weighs 510 gramsTI342 Tiger Iron slab, polished on one side. Dimensions at widest points approximately 130 mm x 75 mm x 7 mm thick. Weighs: 157 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.