Mineralogy Database

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7938 samples matching your criteria

  • 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°10744 : massive, with some manganite
    Minerals: PYROLUSITE
    Year: 1965
    Country: Congo (RDC)
  • Sample n°10746 : massive
    Minerals: PYROLUSITE
    Year: 1965
    Country: Congo (RDC)
  • Sample n°10749 : blocks with purple veins
    Minerals: AMETHYST (quartz)
    Year:
    Country: Congo (RDC)
  • Sample n°10750 : fibrous prismatic crust
    Minerals: QUARTZ
    Year:
    Country: Congo (RDC)
  • Sample n°10754 : rust-coloured specular blocks
    Minerals: HEMATITE
    Year:
    Country: Congo (RDC)
  • Sample n°10755 : granular specular blocks
    Minerals: HEMATITE
    Year:
    Country: Congo (RDC)
  • Sample n°10756 : massive, fine-grained
    Minerals: HEMATITE
    Year:
    Country: Congo (RDC)
  • Sample n°10761 : rosettes of crystals
    Minerals: CORNETITE
    Year: 1965
    Country: Congo (RDC)
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