Polished Tiger Iron TI369 polished noreena B221 Black Jasper Conglomerate slab

B221  Black Jasper Conglomerate slab

140 mm x 95 mm x 65 mm thick

Weighs 196 grams

Weighs 200 grams

Approximate diameter at widest points is 105 mm

Polished Tiger Iron TI369 polished noreena B221 Black Jasper Conglomerate slabTI369 Tiger Iron rough rock, cut and polished on one side with a rough natural back and a cut base to sit as a display specimen. Dimensions at widest points approximately 190 mm x 70 mm x 50 mm thick. Weighs: 1,708 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,