Polished Tiger Iron slab TI388 Citron chrysoprase An unusual feature of some
Baker’s notes & crumb story
Description
An unusual feature of some pieces are septarian structures with black colouration
Dimensions 30 cm x 24 cm x 2
Dimensions at widest points approximately 195 mm x 90 mm x 9
TIR137 Tiger Iron rough rock
Polished Tiger Iron slab TI388 Citron chrysoprase An unusual feature of someTI388 Tiger Iron slab, polished on one side. Dimensions at widest points approximately 150 mm x 100 mm x 7 mm thick. Weighs: 234 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.