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PU131 Purple Chalcedony slab
cut and polished on one side with a cut base to stand as a display specimen
Approximate dimensions at widest points 150 mm x 100 mm x 645 mm thick
Weighs 159 grams
Dimensions at widest points approximately 125 mm x 105 mm and 40 mm thick
Polished Tiger Iron TI308 Jasper PU131 Purple Chalcedony slabTI308 Tiger Iron rough rock, cut and polished on one side with a natural rough back. Incredible folds in this piece ! Dimensions at widest points approximately 190 mm x 110 mm wide x 60 mm thick. Weighs: 1,853 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