Mineralogy Database

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853 samples matching your criteria

  • Sample n°4440 : isolated black plates (2 cm)
    Minerals: COLUMBITE TANTALITE
    Year: 1954
    Country: Congo (RDC)
  • Sample n°4441 : black plates (1 cm)
    Minerals: TANTALITE
    Year: 1954
    Country: Rwanda
  • Sample n°4442 : plates (1 cm)
    Minerals: COLUMBITE
    Year: 1954
    Country: Congo (RDC)
  • Sample n°4443 : corroded block (5 cm)
    Minerals: COLUMBITE
    Year: 1954
    Country: Congo (RDC)
  • Sample n°4444 : black debris
    Minerals: COLUMBITE TANTALITE
    Year: 1954
    Country: Rwanda
  • Sample n°4445 : black crystal (5 cm)
    Minerals: COLUMBITE TANTALITE
    Year: 1954
    Country: Burundi
  • Sample n°4446 : black plates (6 cm)
    Minerals: COLUMBITE TANTALITE
    Year: 1954
    Country: Rwanda
  • Sample n°4447 : black plates (6 cm)
    Minerals: COLUMBITE TANTALITE
    Year: 1954
    Country: Burundi
  • Sample n°4448 : dull black crystals (1-4 cm)
    Minerals: COLUMBITE TANTALITE
    Year: 1954
    Country: Rwanda
  • Sample n°4449 : black debris
    Minerals: FERGUSONITE
    Year:
    Country: Unknown
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