Mineralogy Database

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32 samples matching your criteria

  • Sample n°241 : desintegrated aggregate of black crystals
    Minerals: VIVIANITE
    Year: 1904
    Country: Congo (RDC)
  • Sample n°1118 : elephant tooth partially transformed to blue vivianite
    Minerals: VIVIANITE
    Year: 1940
    Country: Congo (RDC)
  • Sample n°1421 : radial nodules (10 cm)
    Minerals: VIVIANITE
    Year:
    Country: Congo (RDC)
  • Sample n°1595 : blue powdery material
    Minerals: VIVIANITE
    Year:
    Country: Congo (RDC)
  • Sample n°1616 : earthy blocks
    Minerals: VIVIANITE
    Year:
    Country: Congo (RDC)
  • Sample n°1937 : black fibro-radial nodule (20 cm)
    Minerals: VIVIANITE
    Year:
    Country: Congo (RDC)
  • Sample n°2992 : fibrous block (4 cm)
    Minerals: VIVIANITE
    Year: 1949
    Country: Congo (RDC)
  • Sample n°3448 : black coating on schist
    Minerals: VIVIANITE
    Year:
    Country: Congo (RDC)
  • Sample n°4534 : acicular debris
    Minerals: VIVIANITE
    Year: 1954
    Country: Congo (RDC)
  • Sample n°4535 : grey powdery debris
    Minerals: VIVIANITE
    Year: 1954
    Country: Rwanda
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