Mineralogy Database

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230 samples matching your criteria

  • Sample n°13535 : sample with small orange triangulite nodules, sulfur-yellow mundite plates
    Minerals: MUNDITE TRIANGULITE COLUMBITE META-AUTUNITE
    Year: 1978
    Country: Congo (RDC)
  • Sample n°13809 : black crystal, cleavage
    Minerals: COLUMBITE TANTALITE
    Year: 1980
    Country: Madagascar
  • Sample n°14146 : sample with possible columbo-tantalite (radioactive sample)
    Minerals: COLUMBITE TANTALITE
    Year: 1984
    Country: Norway
  • Sample n°14326 : dark grey prismatic and tabular crystals (2-7 cm)
    Minerals: COLUMBITE TANTALITE
    Year: 1983
    Country: Rwanda
  • Sample n°14358 : black block (5 cm)
    Minerals: COLUMBITE TANTALITE
    Year: 1986
    Country: Rwanda
  • Sample n°14359 : coarse-grained fragment
    Minerals: COLUMBITE TANTALITE
    Year: 1986
    Country: Rwanda
  • Sample n°14360 : black oxidised plate (8 cm)
    Minerals: COLUMBITE TANTALITE
    Year: 1986
    Country: Rwanda
  • Sample n°1102 : concentrates
    Minerals: COLUMBITE GARNET MONAZITE SPINEL ANDALUSITE CASSITERITE CHRYSOBERYL
    Year:
    Country: Congo (RDC)
  • Sample n°16068 : columbite crystals in beryl mass
    Minerals: COLUMBITE BERYL
    Year: 1974
    Country: Uganda
  • Sample n°16023 : concentrate
    Minerals: COLUMBITE TANTALITE
    Year:
    Country: Congo (RDC)
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