Mineralogy Database

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94 samples matching your criteria

  • Sample n°7946 : biotitite in micaceous syenite
    Minerals: BIOTITE
    Year:
    Country: Congo (RDC)
  • Sample n°7961 : pegmatite
    Minerals: ALBITE MICROCLINE AEGIRINE BIOTITE
    Year:
    Country: Congo (RDC)
  • Sample n°7963 : black plates in pegmatite
    Minerals: BIOTITE
    Year:
    Country: Congo (RDC)
  • Sample n°7965 : mineralised pegmatite
    Minerals: AEGIRINE BIOTITE FLUORITE
    Year:
    Country: Congo (RDC)
  • Sample n°8725 : pink spherical crystals (1 cm) in biotite-bearing micaschist
    Minerals: PYROPE BIOTITE
    Year: 1960
    Country: Congo (RDC)
  • Sample n°8768 : sample with biotite in uraniferous breccia
    Minerals: BIOTITE
    Year: 1960
    Country: Rwanda
  • Sample n°8937 : very large block
    Minerals: BIOTITE MUSCOVITE QUARTZ TOURMALINE
    Year:
    Country: Rwanda
  • Sample n°8974 : large crystals in biotitite
    Minerals: BIOTITE
    Year: 1960
    Country: Congo (RDC)
  • Sample n°9252 : pegmatite with large elongated biotite crystals (4 cm)
    Minerals: BIOTITE
    Year:
    Country: Rwanda
  • Sample n°9631 : mixed micaceous block (7 cm)
    Minerals: BIOTITE MUSCOVITE
    Year:
    Country: Rwanda