Mineralogy Database

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7938 samples matching your criteria

  • Sample n°1732 : spots in quartz
    Minerals: HEMATITE QUARTZ
    Year:
    Country: Congo (RDC)
  • Sample n°1742 : pink block with prominent cleavage (4 cm)
    Minerals: FELDSPAR
    Year:
    Country: Congo (RDC)
  • Sample n°1743 : oxidised ore in breccious limestone
    Minerals: CHALCOCITE KATANGITE (plancheite) MALACHITE
    Year:
    Country: Congo (RDC)
  • Sample n°1745 : reniform grey and white crust (chalcedony), olive-coloured powder (mottramite)
    Minerals: CHALCEDONY (quartz) MOTTRAMITE
    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)
  • Sample n°1765 : pyrite concretions, geodes with bright malachite crystals
    Minerals: PYROLUSITE MANGANITE
    Year:
    Country: Congo (RDC)
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