Polished Tiger Iron display specimen TI332 sskin It weighs 291 grams

It weighs 291 grams

PU133  Purple Chalcedony slab

Dimensions at widest points approximately 300 mm x 180 mm x 9 mm thick

265 mm x 220 mm x 14 mm thick

Dimensions approximately 100 mm x 40 mm x 8 mm thick

Polished Tiger Iron display specimen TI332 sskin It weighs 291 gramsTI332 Tiger Iron rough rock, cut and polished on one side with a rough natural back and a cut base to stand as a display specimen. Dimensions at widest points approximately 140 mm x 110 mm x 35 mm thick. Weighs: 1,347 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