Polished Tiger Iron slab TI286 asperia ashburtonia Dimensions approximately 160 mm x

Dimensions approximately 160 mm x 120 mm x 60 mm thick

Dimensions at widest points approximately 110 mm x 80 mm x 50 mm thick

Weighs:  211 grams

HEM127  Hematite geode half

Weight is 919 grams

Polished Tiger Iron slab TI286 asperia ashburtonia Dimensions approximately 160 mm xTI286 Tiger Iron slab, polished on one side . Dimensions at widest points approximately 200 mm x 65 mm wide x 8. 5 mm thick. Weighs: 343 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.