Polished Tiger Iron slab TI358 prehnite washed up from their source

washed up from their source on the ocean floor

Weighs 964 grams

Dimensions at widest points approximately 160 mm x 75 mm x 11 mm thick

Dimensions at widest points approximately 60 mm x 45 mm x 25 mm thick

Dimensions at widest points approximately 160 mm x 30 mm x 17 mm thick

Polished Tiger Iron slab TI358 prehnite washed up from their sourceTI358 Tiger Iron slab, polished on one side. Dimensions at widest points approximately 190 mm x 120 mm x 6. 3 mm thick. Weighs: 344 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.