Mineralogy Database

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150 samples matching your criteria

  • Sample n°10321 : mineralised graphitic schist (8 cm)
    Minerals: FERBERITE
    Year:
    Country: Rwanda
  • Sample n°11873 : black rounded crystals (2 cm)
    Minerals: FERBERITE
    Year:
    Country: Congo (RDC)
  • Sample n°12669 : block of black ferberite crystals, small white pyrochlore crystals with square faces
    Minerals: FERBERITE PYROCHLORE QUARTZ TOURMALINE
    Year: 1971
    Country: Congo (RDC)
  • Sample n°12876 : black debris
    Minerals: FERBERITE
    Year: 1972
    Country: Congo (RDC)
  • Sample n°13364 : octahedron (1 cm)
    Minerals: FERBERITE
    Year:
    Country: Rwanda
  • Sample n°13945 : quartz with earthy black ferberite masses, altered to yellow tungstite and white anthoinite, blocks of 8-15 cm
    Minerals: ANTHOINITE FERBERITE TUNGSTITE QUARTZ
    Year: 1982
    Country: Rwanda
  • Sample n°13946 : black crystals altered to yellow tungstite, in quartz matrix (7 cm)
    Minerals: FERBERITE TUNGSTITE
    Year: 1982
    Country: Rwanda
  • Sample n°9073 : well-developed crystals
    Minerals: FERBERITE
    Year: 1962
    Country: Rwanda
  • Sample n°15971 : group of large well-developed crystals
    Minerals: FERBERITE
    Year:
    Country: Rwanda
  • Sample n°15943 : large single crystal (5 cm)
    Minerals: FERBERITE
    Year:
    Country: Rwanda
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