Polished Tiger Iron TI269 polished jasper Prehnite slab

Prehnite slab

70 mm x 65 mm  x 30 mm

210 mm x 120 mm x 60 mm thick

110 mm x 75 mm x 7 mm thick

naturally weathered back and a cut base to stand on

Polished Tiger Iron TI269 polished jasper Prehnite slabTI269 Tiger Iron rough rock, cut and polished on one side with a natural rough back. Dimensions at widest points approximately 230 mm x 105 mm wide x 60 mm thick. Weighs: 2,418 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