Mineralogy Database

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21 samples matching your criteria

  • Sample n°2812 : cobalt-blue needles
    Minerals: JULIENITE
    Year:
    Country: Congo (RDC)
  • Sample n°8828 : sample with uraninite, fourmarierite as red to amber-coloured crystals in geode and as yellow fibres, grey acicular and massive rutherfodine, massive curite
    Minerals: FOURMARIERITE URANINITE CURITE RUTHERFORDINE
    Year: 1960
    Country: Congo (RDC)
  • Sample n°8829 : sample with uraninite, green uranophane crystals, some isolated wulfenite crystals, massive curite, altered white linnaeite, white and red quartz
    Minerals: URANINITE URANOPHANE CURITE LINNAEITE QUARTZ WULFENITE
    Year: 1960
    Country: Congo (RDC)
  • Sample n°16237 : cassiterite in quartz-muscovite matrix
    Minerals: CASSITERITE
    Year: 2009
    Country: Congo (RDC)
  • Sample n°16247 : fragment of large well-developed cuprite crystal, with thin malachite coating
    Minerals: CUPRITE MALACHITE
    Year:
    Country: Congo (RDC)
  • Sample n°16251 : massive arsenopyrite, in pegmatite
    Minerals: ARSENOPYRITE
    Year: 2009
    Country: Congo (RDC)
  • Sample n°16252 : coarse-crystalline, partly elongated prismatic
    Minerals: TOURMALINE
    Year: 2009
    Country: Congo (RDC)
  • Sample n°16253 : pale blue elongated crystals in brownish groundmass
    Minerals: KYANITE QUARTZ
    Year: 2009
    Country: Congo (RDC)
  • Sample n°16254 : scattered gold in quartz
    Minerals: GOLD QUARTZ
    Year: 2009
    Country: Congo (RDC)
  • Sample n°16255 : thick horizontal band, vertical veins
    Minerals: CHALCOCITE
    Year: 2009
    Country: Congo (RDC)