Mineralogy Database

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3 samples matching your criteria

  • Sample n°236 : white pisolithic bauxite
    Minerals: unspecified
    Year: 1904
    Country: Congo (RDC)
  • Sample n°237 : red pisolithic bauxite
    Minerals: KAOLINITE HEMATITE
    Year: 1904
    Country: Congo (RDC)
  • Sample n°250 : geode debris
    Minerals: QUARTZ
    Year: 1904
    Country: Congo (RDC)