Mineralogy Database

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7938 samples matching your criteria

  • Sample n°3084 : prismatic crystal in greisen along contact with quartzite
    Minerals: SCHORL
    Year: 1913
    Country: Congo (RDC)
  • Sample n°3085 : banded iron formation
    Minerals: HEMATITE
    Year: 1926
    Country: Congo (RDC)
  • Sample n°3086 : breccia cemented by layered coatings of malachite and copper silicates
    Minerals: MALACHITE CHRYSOCOLLA KATANGITE (plancheite)
    Year: 1927
    Country: Congo (RDC)
  • Sample n°3087 : group of clear prismatic crystals (30 cm)
    Minerals: QUARTZ
    Year: 1930
    Country: Congo (RDC)
  • Sample n°3088 : twinned black crystals
    Minerals: CASSITERITE
    Year: 1931
    Country: Congo (RDC)
  • Sample n°3089 : debris of fibro-radial nodules
    Minerals: GOETHITE
    Year: 1949
    Country: Congo (RDC)
  • Sample n°3094 : debris of crystals
    Minerals: THOREAULITE
    Year:
    Country: Congo (RDC)
  • Sample n°3097 : two brown crystals in gangue material
    Minerals: CASSITERITE
    Year:
    Country: Congo (RDC)
  • Sample n°3101 : massive sulfides on white dolomite
    Minerals: CARROLLITE
    Year: 1951
    Country: Congo (RDC)
  • Sample n°3104 : long pink prismatic crystals in pegmatite
    Minerals: SPODUMENE
    Year: 1951
    Country: Congo (RDC)