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3 samples matching your criteria
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Sample n°11903 : banded iron formation, with black and pink layersMinerals: HEMATITEYear: 1967Country: Congo (RDC)
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Sample n°11905 : banded iron formationMinerals: HEMATITEYear: 1969Country: Congo (RDC)
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Sample n°11899 : banded iron formation, with regular bandingMinerals: HEMATITEYear: 1969Country: Congo (RDC)