Polished Tiger Iron slab TI388 rare 100 mm x 50 mm

100 mm x 50 mm x 30 mm thick

Sometimes it exhibits striking contrasting veins of magnesite

Weighs  308 grams

Displaying a large vein of the lithium mica

Weighs 295 grams

Polished Tiger Iron slab TI388 rare 100 mm x 50 mmTI388 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.