Polished Tiger Iron slab TI262 chrysophase NJT126 Tumble polished Noreena Jasper

NJT126  Tumble polished Noreena Jasper from Western Australia

From the Ashburton region in Western Australia

cut and polished on one side with natural back

140 mm x 90 mm x 40 mm thick

SD155 Stromatolitic Dolomite rough rock

Polished Tiger Iron slab TI262 chrysophase NJT126 Tumble polished Noreena JasperTI262 Tiger Iron slab, cut and polished on one side. Dimensions at widest points approximately 150 mm x 90 mm wide x 9 mm thick. Weighs: 317 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.