Polished Tiger Iron slab TI285 quartz cut and polished on one

cut and polished on one side with a natural rough back and a cut base to stand as a display specimen

Weighs 606 grams

SD154 Stromatolitic Dolomite rough rock

Dimensions at widest points approximately 80 mm x 80 mm x 8

190 mm x 125 mm x 9 mm thick & weighs 314 grams

Polished Tiger Iron slab TI285 quartz cut and polished on oneTI285 Tiger Iron slab, polished on one side . Dimensions at widest points approximately 135 mm x 105 mm wide x 10 mm thick. Weighs: 356 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.