Polished Tiger Iron slab TI264 Polished Beryl Approximate weight of each piece

Approximate weight of each piece is between 60 and 175 grams

Dimensions approximately 75 mm x 55 mm x 18 mm thick

Dimensions at widest points approximately 110 mm x 75 mm x 35 mm thick

This stone occurs in the Pilbara region of Western Australia

TIR136 Tiger Iron rough rock

Polished Tiger Iron slab TI264 Polished Beryl Approximate weight of each pieceTI264 Tiger Iron slab, cut and polished on one side. Dimensions at widest points approximately 140 mm x 80 mm wide x 8 mm thick. Weighs: 192 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.