Polished Tiger Iron slab TI352 magneprase Dimensions approximately 120 mm x

Dimensions approximately 120 mm x 110 mm x 100 mm thick

Weighs 285 grams

Dimensions approximately 170mm x 100mm x 7mm thick

Dimensions at widest points approximately 120 mm x 65 mm x 8 mm thick

DO204  Dendritic Opal slab

Polished Tiger Iron slab TI352 magneprase Dimensions approximately 120 mm xTI352 Tiger Iron slab, polished on one side. Dimensions at widest points approximately 155 mm x 90 mm x 7. 3 mm thick. Weighs: 304 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.