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18 samples matching your criteria
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Sample n°2901 : yellow crustMinerals: PLUMBOJAROSITEYear: 1948Country: Congo (Congo-Brazzaville)
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Sample n°2904 : ochre crustMinerals: PLUMBOJAROSITE MALACHITEYear: 1948Country: Congo (Congo-Brazzaville)
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Sample n°2905 : stratified ochrous iron-rich materialMinerals: GOETHITE SIDERITEYear: 1948Country: Congo (Congo-Brazzaville)
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Sample n°2906 : beige and white round aggregates, resembling pisolithic materialMinerals: HEMIMORPHITEYear: 1949Country: Congo (Congo-Brazzaville)
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Sample n°2954 : concretionary aggregateMinerals: MALACHITEYear: 1914Country: Congo (Congo-Brazzaville)
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Sample n°2955 : debrisMinerals: DIOPTASE PYROMORPHITEYear: 1914Country: Congo (Congo-Brazzaville)
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Sample n°10114 : radial aggregates on ochre substrateMinerals: AURICHALCITEYear:Country: Congo (Congo-Brazzaville)
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Sample n°18355 : crystal fragmentsMinerals: COLUMBITE TANTALITEYear: 2017Country: Congo (Congo-Brazzaville)