Polished Tiger Iron slab TI337 rare agate Lovely specimen

Lovely specimen

160 mm x 110 mm x 10

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Polished Tiger Iron slab TI337 rare agate Lovely specimenTI337 Tiger Iron slab, polished on one side. Dimensions at widest points approximately 140 mm x 100 mm x 8 mm thick. Weighs: 310 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.