Mineralogy Database

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321 samples matching your criteria

  • Sample n°56 : massive microgranular in conglomerate
    Minerals: PYRITE
    Year: 1897
    Country: Congo (RDC)
  • Sample n°122 : massive red material
    Minerals: HEMATITE
    Year: 1898
    Country: Congo (RDC)
  • 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°291 : blue crystalline crust and green coatings on quartz with chalcocite
    Minerals: AZURITE MALACHITE CHALCOCITE
    Year: 1912
    Country: Congo (RDC)
  • Sample n°292 : mineralisation in quartz
    Minerals: CHALCOCITE
    Year: 1912
    Country: Congo (RDC)
  • Sample n°294 : blue and green coatings of rock substrate
    Minerals: AZURITE MALACHITE
    Year: 1912
    Country: Congo (RDC)
  • Sample n°295 : oxidised ore
    Minerals: CHALCOCITE MALACHITE
    Year: 1912
    Country: Congo (RDC)
  • Sample n°297 : massive ore
    Minerals: CHALCOCITE MALACHITE
    Year: 1912
    Country: Congo (RDC)
  • Sample n°301 : small clear crystals
    Minerals: QUARTZ
    Year: 1912
    Country: Congo (RDC)