Polished Tiger Iron TI393 red jasper 9 pieces rough Dendritic Opal

9 pieces rough Dendritic Opal

Dimensions at widest points approximately 135 mm x 140 mm x 80 mm thick

PC116 Chalcedony/chrysoprase slab

SU190  Sunset Jasper slab

Weight is 442 grams

Polished Tiger Iron TI393 red jasper 9 pieces rough Dendritic OpalTI393 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 90 mm x 80 mm x 25 mm thick. Weighs: 412 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,