Mineralogy Database

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28 samples matching your criteria

  • Sample n°14358 : black block (5 cm)
    Minerals: COLUMBITE TANTALITE
    Year: 1986
    Country: Rwanda
  • Sample n°16933 : porous ferberite with minor anthoinite, in quartz matrix
    Minerals: ANTHOINITE FERBERITE
    Year:
    Country: Rwanda
  • Sample n°16935 : white aggregates in quartz
    Minerals: ANTHOINITE
    Year:
    Country: Rwanda
  • Sample n°16934 : aggregate in altered rock matrix
    Minerals: FERBERITE
    Year:
    Country: Rwanda
  • Sample n°16929 : coarse-crystalline fragment
    Minerals: FERBERITE
    Year:
    Country: Rwanda
  • Sample n°18861 : fragments
    Minerals: CASSITERITE
    Year: 1930
    Country: Rwanda
  • Sample n°18862 : fragments
    Minerals: CASSITERITE
    Year:
    Country: Rwanda
  • Sample n°19443 : fragments, with polished sections
    Minerals: CASSITERITE
    Year:
    Country: Rwanda
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