Mineralogy Database

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4831 samples matching your criteria

  • Sample n°1415 : large botryoidal block
    Minerals: MALACHITE
    Year:
    Country: Congo (RDC)
  • Sample n°1759 : botryoidal, in geode
    Minerals: CHALCEDONY (quartz)
    Year:
    Country: Congo (RDC)
  • Sample n°1763 : yellow ochrous material on amphibolite
    Minerals: GOETHITE CHALCOPYRITE QUARTZ
    Year:
    Country: Congo (RDC)
  • Sample n°1764 : contact between pegmatite and manganese oxide occurrence
    Minerals: MANGANESE OXIDES MUSCOVITE
    Year:
    Country: Congo (RDC)
  • Sample n°1765 : pyrite concretions, geodes with bright malachite crystals
    Minerals: PYROLUSITE MANGANITE
    Year:
    Country: Congo (RDC)
  • Sample n°1766 : concretionary
    Minerals: PYROLUSITE MANGANITE
    Year:
    Country: Congo (RDC)
  • Minerals: PYROLUSITE
    Year:
    Country: Congo (RDC)
  • Sample n°1768 : concretionary
    Minerals: PYROLUSITE MANGANITE
    Year:
    Country: Congo (RDC)
  • Sample n°1769 : concretionary
    Minerals: PYROLUSITE
    Year:
    Country: Congo (RDC)
  • Sample n°1770 : concretionary
    Minerals: PYROLUSITE
    Year:
    Country: Congo (RDC)