Polished Tiger Iron slab TI358 black conglomerate Dimensions at widest points approximately

Dimensions at widest points approximately 100 mm x 75 mm x 40 mm thick

100% natural

Dimensions at widest points approximately 170 mm x 155  mm x 13 mm thick

Weighs:  304 grams

Weight is 76 grams

Polished Tiger Iron slab TI358 black conglomerate Dimensions at widest points approximatelyTI358 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.