Polished Tiger Iron slab TI388 rare BM317 Brecciated Mookaite rock

BM317  Brecciated  Mookaite rock

100 mm x 50 mm x 30 mm thick

Dimensions at widest points approximately 100 mm x 100 mm x 9 mm thick

Weighs  308 grams

Polished Tiger Iron slab TI388 rare BM317 Brecciated Mookaite rockTI388 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.