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144 samples matching your criteria
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Sample n°17035 : concentrateMinerals: COLUMBITE TANTALITEYear: 2012Country: Burundi
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Sample n°19775 : group of fan-like aggregatesMinerals: TANTALITE COLUMBITEYear: 2022Country: Congo (RDC)
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Sample n°19780 : fragment of large plate-shaped euhedral crystalMinerals: COLUMBITE TANTALITEYear: 2022Country: Congo (RDC)
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Sample n°20139 : crystal intergrowthsMinerals: COLUMBITE TANTALITEYear: 2023Country: Madagascar