Polished Tiger Iron TI294 chalcedony Dimensions at widest points approximately

Dimensions at widest points approximately 120 mm  x 55 mm wide x 8 mm thick

Dimensions at widest points approximately 100 mm x 60 mm x 45 mm thick

120 mm x 90 mm  x 7 mm

Snakeskin Jasper slab

CC155  Chrome chalcedony slab

Polished Tiger Iron TI294 chalcedony Dimensions at widest points approximatelyTI294 Tiger Iron rough rock, cut and polished on one side with a natural rough back. Dimensions at widest points approximately 95 mm x 25 mm wide x 30 mm thick. Weighs: 169 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.