Mineralogy Database

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4831 samples matching your criteria

  • Sample n°13931 : manganite crystals (cf. specimen RGM 13382)
    Minerals: PYROLUSITE MANGANITE
    Year: 1982
    Country: Congo (RDC)
  • Minerals: CRYPTOMELANE
    Year: 1982
    Country: Congo (RDC)
  • Sample n°13933 : coral-like
    Minerals: PYROLUSITE
    Year: 1982
    Country: Congo (RDC)
  • Sample n°13936 : sample with blue-green to black vandenbrandeite crystals, guilleminite as yellow powder
    Minerals: DEMESMAEKERITE VANDENBRANDEITE GUILLEMINITE MALACHITE GOLD
    Year: 1982
    Country: Congo (RDC)
  • Sample n°13944 : sample with one red sayrite crystal, red-orange masuyite crystals, black richetite plates, amber-coloured becquerelite laths, uranophane needles
    Minerals: MASUYITE RICHETITE SAYRITE BECQUERELITE RUTHERFORDINE URANINITE URANOPHANE
    Year: 1982
    Country: Congo (RDC)
  • Sample n°13957.1 : sample with golden-yellow and dull yellow uranophane laths, red wolsendorfite lamellae, white saleeite plates
    Minerals: URANOPHANE WOLSENDORFITE METATORBERNITE SALEEITE
    Year: 1980
    Country: Congo (RDC)
  • Sample n°13957.2 : sample with rosettes of elongated pink wolsendorfite crystals, becquerelite as golden-yellow needles and micaceous material, vitreous compact monazite crystals
    Minerals: WOLSENDORFITE BECQUERELITE MONAZITE URANINITE
    Year: 1980
    Country: Congo (RDC)
  • Sample n°13957.3 : sample with uranophane crystals and massive uranophane, pink powdery wolsendorfite
    Minerals: URANOPHANE URANINITE WOLSENDORFITE
    Year: 1980
    Country: Congo (RDC)
  • Sample n°13972 : scattered bright crystals on pink dolomite
    Minerals: CUPRITE
    Year: 1983
    Country: Congo (RDC)
  • Sample n°13974 : sample with yellow kamotoite crystals as fern-like aggregates, sklodowskite as yellow crystals and massive material
    Minerals: KAMOTOITE-(Y) SKLODOWSKITE URANINITE
    Year: 1984
    Country: Congo (RDC)