Mineralogy Database

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7938 samples matching your criteria

  • Sample n°10607 : coating on clear quartz
    Minerals: GOLD QUARTZ
    Year: 1965
    Country: Congo (RDC)
  • Sample n°10723 : crystals with metallic lustre on manganese oxide substrate
    Minerals: MANGANITE
    Year:
    Country: Congo (RDC)
  • Sample n°10724 : massive ore
    Minerals: PYROLUSITE
    Year: 1965
    Country: Congo (RDC)
  • Sample n°10725 : stalactitic aggregates
    Minerals: CRYPTOMELANE MANGANITE
    Year: 1965
    Country: Congo (RDC)
  • Sample n°10726 : velvety nodules
    Minerals: CRYPTOMELANE
    Year: 1965
    Country: Congo (RDC)
  • Sample n°10727 : nodules
    Minerals: CRYPTOMELANE
    Year: 1965
    Country: Congo (RDC)
  • Sample n°10728 : layer in garnet-bearing rock
    Minerals: PYROLUSITE
    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°10731 : massive or dendritic
    Minerals: CRYPTOMELANE
    Year: 1965
    Country: Congo (RDC)
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