Mineralogy Database

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34 samples matching your criteria

  • Sample n°8627 : bright black mineralised block
    Minerals: MANGANITE
    Year:
    Country: Congo (RDC)
  • Sample n°10723 : crystals with metallic lustre on manganese oxide substrate
    Minerals: MANGANITE
    Year:
    Country: Congo (RDC)
  • Sample n°10725 : stalactitic aggregates
    Minerals: CRYPTOMELANE MANGANITE
    Year: 1965
    Country: Congo (RDC)
  • Sample n°10729 : geodes with bright crystals
    Minerals: MANGANITE
    Year: 1965
    Country: Congo (RDC)
  • Sample n°10730 : fine-grained crystallisation in geodes
    Minerals: MANGANITE
    Year: 1965
    Country: Congo (RDC)
  • Sample n°10734 : radial concretions with metallic lustre
    Minerals: MANGANITE
    Year: 1965
    Country: Congo (RDC)
  • Sample n°10736 : kaolinite and manganse oxides, including manganite
    Minerals: KAOLINITE MANGANITE
    Year:
    Country: Congo (RDC)
  • Sample n°10742 : fine-grained metallic ore
    Minerals: MANGANITE
    Year: 1965
    Country: Congo (RDC)
  • Sample n°10743 : block with metallic crystalline material in cavities
    Minerals: MANGANITE
    Year: 1965
    Country: Congo (RDC)
  • Sample n°12649 : bright black blocks (5 cm)
    Minerals: MANGANITE
    Year: 1971
    Country: Congo (RDC)