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TIR164 Tiger Iron rough rock
Weighs 147grams
polished on one side with a natural back and a cut base to sit on
CO105 DeGrussa copper ore
Polished Tiger Iron TI393 Kumarina Agate TIR164 Tiger Iron rough rockTI393 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,
