Mineralogy Database

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230 samples matching your criteria

  • Sample n°520 : earthy reddish brown block
    Minerals: GOETHITE
    Year: 1913
    Country: Congo (Congo-Brazzaville)
  • Sample n°773 : siliceous laterite
    Minerals: GOETHITE
    Year: 1925
    Country: Congo (RDC)
  • Sample n°775 : massive galena, in quartz and iron oxides
    Minerals: GALENA GOETHITE QUARTZ
    Year: 1927
    Country: Congo (RDC)
  • Sample n°781 : crystals in quartz and ochrous material
    Minerals: GOETHITE GALENA CALCITE QUARTZ
    Year: 1927
    Country: Congo (RDC)
  • Sample n°802 : small tablet in laterite
    Minerals: KYANITE GOETHITE QUARTZ
    Year: 1926
    Country: Congo (RDC)
  • Sample n°823 : sample with vandenbrandeite as dark green crystals and massive material, cuprosklodowskite as fan-shaped aggregates and massive material, kasolite as yellow crystals and grey powdery material, bright brown-black goethite
    Minerals: CUPROSKLODOWSKITE URANINITE VANDENBRANDEITE GOETHITE KASOLITE
    Year: 1955
    Country: Congo (RDC)
  • Sample n°913 : ferruginous substrate with thin malachite coating
    Minerals: GOETHITE MALACHITE
    Year: 1897
    Country: Congo (RDC)
  • Sample n°920 : zoned crust on breccious rock
    Minerals: MALACHITE GOETHITE QUARTZ
    Year:
    Country: Congo (RDC)
  • Sample n°926 : laterite
    Minerals: GOETHITE
    Year:
    Country: Congo (RDC)
  • Sample n°978 : small fragments, yellow interior, blue-red exterior, with polished section
    Minerals: BORNITE CHALCOPYRITE GOETHITE PYRITE CHALCOCITE MALACHITE TENNANTITE
    Year: 1936
    Country: Congo (RDC)