Mineralogy Database

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150 samples matching your criteria

  • Sample n°5446 : bipyramidal square crystal (8 cm)
    Minerals: FERBERITE
    Year: 1955
    Country: Rwanda
  • Sample n°7036 : porous debris (2 cm)
    Minerals: FERBERITE
    Year: 1959
    Country: Congo (RDC)
  • Sample n°7218 : black massive block (20 cm)
    Minerals: FERBERITE
    Year:
    Country: Rwanda
  • Sample n°7979 : black crystalline mass (10 cm) with enclosed quartz
    Minerals: FERBERITE ANTHOINITE
    Year:
    Country: Rwanda
  • Sample n°7981 : rounded and vesicular black crystals in pegmatite, partly replaced by anthoinite
    Minerals: FERBERITE ANTHOINITE
    Year:
    Country: Congo (RDC)
  • Sample n°8615 : oxidised debris (2 cm)
    Minerals: FERBERITE
    Year:
    Country: Rwanda
  • Sample n°9128 : black scoriaceous mass (4 cm)
    Minerals: FERBERITE KAOLINITE
    Year: 1962
    Country: Rwanda
  • Sample n°10307 : debris of altered crystal (4 cm)
    Minerals: FERBERITE ANTHOINITE
    Year:
    Country: Rwanda
  • Sample n°10310 : debris of crystals (4 cm) with white coating, with hydrokenoesmoreite (var. ferritungstite)
    Minerals: ANTHOINITE FERBERITE HYDROKENOELSMOREITE
    Year:
    Country: Rwanda
  • Sample n°10319 : black crystal (4 cm) with yellow coating
    Minerals: FERBERITE TUNGSTITE
    Year:
    Country: Rwanda
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