Mineralogy Database

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11 samples matching your criteria

  • Sample n°2919 : debris of black striated crystal (7 cm)
    Minerals: TOURMALINE
    Year: 1928
    Country: Congo (RDC)
  • Sample n°2957 : black tourmalinite
    Minerals: TOURMALINE
    Year:
    Country: Congo (RDC)
  • Sample n°2958 : yellow crust
    Minerals: SULPHUR
    Year: 1928
    Country: Congo (RDC)
  • Sample n°2959 : fragment of vein (10 cm)
    Minerals: AMETHYST (quartz)
    Year: 1928
    Country: Congo (RDC)
  • Sample n°2961 : layer of yellow plates (mm) on quartz
    Minerals: MEIONITE
    Year: 1928
    Country: Congo (RDC)
  • Sample n°2962 : pink dolomite
    Minerals: DOLOMITE
    Year: 1928
    Country: Congo (RDC)
  • Sample n°2963 : tourmalinite block (10 cm), with quartz
    Minerals: TOURMALINE QUARTZ
    Year: 1928
    Country: Congo (RDC)
  • Sample n°2964 : black prismatic crystals (3 cm) in pegmatite
    Minerals: TOURMALINE MICROCLINE
    Year:
    Country: Congo (RDC)
  • Sample n°2967 : black tourmaline crystals (1 cm) in altered fluorapatite and quartz
    Minerals: TOURMALINE FLUORAPATITE QUARTZ
    Year: 1928
    Country: Congo (RDC)
  • Sample n°2968 : black crystals in quartz
    Minerals: TOURMALINE
    Year: 1928
    Country: Unknown
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