Polished Tiger Iron slab TI339 Polished rock. Weight is 1

Weight is 1

120 mm x 70 mm x 9

BM288  Brecciated  Mookaite rock

The environment they grew in was most probably a sandy tidal flat or braided river channel

290 mm x 120-170mm x 18mm thick

Polished Tiger Iron slab TI339 Polished rock. Weight is 1TI339 Tiger Iron slab, polished on one side. Dimensions at widest points approximately 250 mm x 115 mm x 12 mm thick. Weighs: 959 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.