Mineralogy Database

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82 samples matching your criteria

  • Sample n°10738 : purple crust covering manganese oxides
    Minerals: VARISCITE MANGANESE OXIDES
    Year: 1965
    Country: Congo (RDC)
  • Sample n°10741 : red to purple crusts on manganese oxides
    Minerals: STRENGITE VARISCITE MANGANESE OXIDES
    Year: 1965
    Country: Congo (RDC)
  • Sample n°10923 : black block (4 cm)
    Minerals: MANGANESE OXIDES
    Year: 1964
    Country: India
  • Sample n°11016 : black ore
    Minerals: MANGANESE OXIDES
    Year: 1966
    Country: South Africa
  • Sample n°11017 : black ore
    Minerals: MANGANESE OXIDES
    Year: 1966
    Country: South Africa
  • Sample n°11018 : black ore
    Minerals: MANGANESE OXIDES
    Year: 1966
    Country: South Africa
  • Sample n°11019 : black ore
    Minerals: MANGANESE OXIDES
    Year: 1966
    Country: South Africa
  • Sample n°11020 : black ore
    Minerals: MANGANESE OXIDES
    Year: 1966
    Country: South Africa
  • Sample n°11021 : black ore
    Minerals: MANGANESE OXIDES
    Year: 1966
    Country: South Africa
  • Sample n°11022 : black ore
    Minerals: MANGANESE OXIDES
    Year: 1966
    Country: South Africa
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