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cut & polished on one side with natural back
145 mm x 65 mm x 7 mm thick
Weighs 667 grams
SPF127 Fossil stromatolite
Polished Tiger Iron TI269 rock blocks cut & polished on oneTI269 Tiger Iron rough rock, cut and polished on one side with a natural rough back. Dimensions at widest points approximately 230 mm x 105 mm wide x 60 mm thick. Weighs: 2,418 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
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