Mineralogy Database

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319 samples matching your criteria

  • Sample n°1701 : rust-coloured black crystals
    Minerals: ILMENITE GOETHITE
    Year:
    Country: Congo (RDC)
  • Sample n°1702 : manganese-bearing laterite
    Minerals: PYROLUSITE
    Year: 1966
    Country: Congo (RDC)
  • Sample n°1709 : breccious material
    Minerals: BARYTE
    Year:
    Country: Congo (RDC)
  • Sample n°1710 : altered cubic pyrite crystals (1 cm)
    Minerals: HEMATITE
    Year:
    Country: Congo (RDC)
  • Sample n°1743 : oxidised ore in breccious limestone
    Minerals: CHALCOCITE KATANGITE (plancheite) MALACHITE
    Year:
    Country: Congo (RDC)
  • Sample n°1751 : fine-grained olive-green mottramite on limestone
    Minerals: MOTTRAMITE CHALCEDONY (quartz)
    Year:
    Country: Congo (RDC)
  • Sample n°1754 : breccious oxidised ore
    Minerals: MALACHITE CHALCOCITE
    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)