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  13 samples matching your criteria
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        Sample n°16068 : columbite crystals in beryl massMinerals: COLUMBITE BERYLYear: 1974Country: Uganda
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        Sample n°16067 : plate in feldspar matrixMinerals: ALBITE COLUMBITEYear: 1974Country: Uganda
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        Sample n°16070 : fragmentsMinerals: MICROLITEYear: 1974Country: Uganda