Mineralogy Database

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237 samples matching your criteria

  • Sample n°12493.98 : fragments
    Minerals: CASSITERITE COLUMBITE
    Year: 1970
    Country: Rwanda
  • Sample n°3119 : concentrate
    Minerals: COLUMBITE TANTALITE
    Year: 1952
    Country: Congo (RDC)
  • Sample n°18656 : crystals in matrix
    Minerals: COLUMBITE TANTALITE
    Year:
    Country: Namibia
  • Sample n°8830 : concentrate
    Minerals: COLUMBITE CASSITERITE
    Year: 1961
    Country: Nigeria
  • Sample n°8831 : concentrate
    Minerals: COLUMBITE
    Year: 1961
    Country: Nigeria
  • Sample n°16067 : plate in feldspar matrix
    Minerals: ALBITE COLUMBITE
    Year: 1974
    Country: Uganda
  • Sample n°18763 : crystal fragment
    Minerals: COLUMBITE TANTALITE
    Year: 2019
    Country: Rwanda
  • Sample n°18768 : crystal fragment
    Minerals: COLUMBITE
    Year: 2019
    Country: Rwanda
  • Sample n°18789 : large crystals
    Minerals: COLUMBITE TANTALITE
    Year: 2019
    Country: Rwanda
  • Sample n°18790 : plate-shaped crystals and fragments
    Minerals: COLUMBITE TANTALITE
    Year: 2019
    Country: Rwanda
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