Mineralogy Database

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7793 samples matching your criteria

  • Sample n°67 : clear transparent fragments
    Minerals: QUARTZ
    Year: 1899
    Country: Congo (RDC)
  • Sample n°68 : octahedra (3 mm) in micaschist
    Minerals: MAGNETITE
    Year: 1899
    Country: Congo (RDC)
  • Sample n°69 : black veneer
    Minerals: MAGNETITE QUARTZ
    Year: 1899
    Country: Congo (RDC)
  • Sample n°71 : transparent debris
    Minerals: QUARTZ
    Year: 1899
    Country: Congo (RDC)
  • Sample n°75 : cut fragments (?)
    Minerals: QUARTZ
    Year: 1899
    Country: Congo (RDC)
  • Sample n°77 : rhombohedron (10 cm)
    Minerals: CALCITE
    Year: 1899
    Country: Congo (RDC)
  • Sample n°78 : massive, with coarse-crystalline concretionary bands
    Minerals: CALCITE
    Year: 1899
    Country: Congo (RDC)
  • Sample n°79 : divers debris
    Minerals: QUARTZ
    Year: 1900
    Country: Congo (RDC)
  • Sample n°81 : massive in graphic pegmatite
    Minerals: FELDSPAR
    Year: 1900
    Country: Congo (RDC)
  • Sample n°83 : small clear crystals
    Minerals: QUARTZ
    Year: 1900
    Country: Congo (RDC)
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