Polished Tiger Iron slab TI292 Irregully formation Dimensions at widest points approximately

Dimensions at widest points approximately 155 mm x 150 mm x 50 mm thick

Dimensions at widest points approximately 170 mm x 80 mm x 50 mm thick

From near  Marble Bar in the Pilbara region of Western Australia

CLA260   Australian Crazy Lace Agate slab

SU159  Sunset Jasper rough rock

Polished Tiger Iron slab TI292 Irregully formation Dimensions at widest points approximatelyTI292 Tiger Iron slab, polished on one side . Dimensions at widest points approximately 120 mm x 60 mm wide x 7 mm thick. Weighs: 127 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.