Mineralogy Database

3 samples matching your criteria

• Sample n°241 : desintegrated aggregate of black crystals
  Minerals: VIVIANITE

  Year: 1904

  Country: Congo (RDC)
• Sample n°242 : concretions with the shape of tubes and branches
  Minerals: GOETHITE

  Year: 1905

  Country: Congo (RDC)
• Sample n°7068 : powder
  Minerals: VIVIANITE

  Year: 1959

  Country: Congo (RDC)