Mineralogy Database

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2 samples matching your criteria

  • Sample n°8615 : oxidised debris (2 cm)
    Minerals: FERBERITE
    Year:
    Country: Rwanda
  • Sample n°13946 : black crystals altered to yellow tungstite, in quartz matrix (7 cm)
    Minerals: FERBERITE TUNGSTITE
    Year: 1982
    Country: Rwanda
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