Mineralogy Database

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152 samples matching your criteria

  • Sample n°12829 : black concentrate (0.5 cm)
    Minerals: TANTALITE
    Year: 1971
    Country: Congo (RDC)
  • Sample n°12831 : debris of vein (10 cm)
    Minerals: TANTALITE
    Year: 1971
    Country: Congo (RDC)
  • Sample n°12832 : black scoriaceous blocks (2 cm)
    Minerals: COLUMBITE TANTALITE
    Year: 1971
    Country: Congo (RDC)
  • Sample n°12836 : heavy grey-yellow microlite with enclosed black tantalite
    Minerals: MICROLITE TANTALITE
    Year: 1971
    Country: Congo (RDC)
  • Sample n°13175 : debris of black crystals and plates
    Minerals: TANTALITE
    Year: 1974
    Country: Uganda
  • Sample n°13181 : black tabular crystals
    Minerals: TANTALITE
    Year: 1974
    Country: Uganda
  • 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
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