Mineralogy Database

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1097 samples matching your criteria

  • Sample n°1024 : clear fragment and rounded crystals
    Minerals: QUARTZ
    Year: 1938
    Country: Congo (RDC)
  • Sample n°1026 : black crystals on quartz
    Minerals: TOURMALINE QUARTZ
    Year: 1938
    Country: Congo (RDC)
  • Sample n°1033 : rounded fragment
    Minerals: EPIDOTE HORNBLENDE FELDSPAR QUARTZ
    Year: 1938
    Country: Congo (RDC)
  • Sample n°1034 : in pegmatite
    Minerals: QUARTZ
    Year: 1938
    Country: Congo (RDC)
  • Sample n°1036 : reworked
    Minerals: EPIDOTE FELDSPAR QUARTZ
    Year: 1938
    Country: Congo (RDC)
  • Sample n°1039 : muscovite in quartz from pegmatite
    Minerals: MUSCOVITE QUARTZ
    Year:
    Country: Congo (RDC)
  • Sample n°1042 : association in pegmatite
    Minerals: MUSCOVITE QUARTZ
    Year: 1938
    Country: Congo (RDC)
  • Sample n°1054 : red blocks with veinleits and geodes of blue and green quartz, pale blue layers of fibro-radial plancheite, fibrous green malachite
    Minerals: PLANCHEITE MALACHITE QUARTZ
    Year: 1910
    Country: Congo (RDC)
  • Sample n°1056 : layers of fibro-radial blue plancheite (1 cm) and other secondary minerals, in rock with quartz geodes
    Minerals: PLANCHEITE CHRYSOCOLLA MALACHITE PSEUDOMALACHITE QUARTZ VOLBORTHITE
    Year: 1910
    Country: Congo (RDC)
  • Sample n°1059 : green fibro-radial nodules (2 cm) (malachite), green-olive crust (volborthite), blue geodes (quartz), blue veinlets (plancheite)
    Minerals: MALACHITE PLANCHEITE QUARTZ VOLBORTHITE
    Year: 1910
    Country: Congo (RDC)
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