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CC158 Chrome chalcedony slab
Dimensions approximately 160 mm x 110 mm x approx 55 mm thick
Museum quality specimen
Weighs 111 grams
Polished Tiger Iron slab TI278 oldest agate in the world CC158 Chrome chalcedony slabTI278 Tiger Iron slab, polished on one side . Dimensions at widest points approximately 100 mm x 45 mm wide x 8 mm thick. Weighs: 87 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 tiger eye.
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