Mineralogy Database

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79 samples matching your criteria

  • Sample n°15879 : large tourmaline crystals in quartz matrix
    Minerals: TOURMALINE QUARTZ
    Year:
    Country: Congo (RDC)
  • Sample n°15880 : well-developed tabular crystals on iron-rich substrate
    Minerals: HEMIMORPHITE
    Year:
    Country: Congo (RDC)
  • Sample n°15881 : small to large crystals on iron-rich substrate
    Minerals: HEMIMORPHITE
    Year:
    Country: Congo (RDC)
  • Sample n°15882 : coarse-crystalline galena and sphalerite, dark green brochantite coatings and veins
    Minerals: BROCHANTITE GALENA SPHALERITE
    Year:
    Country: Congo (RDC)
  • Sample n°15883 : fine-grained porous heterogenite mass, locally with thin malachite coating
    Minerals: HETEROGENITE MALACHITE
    Year:
    Country: Congo (RDC)
  • Sample n°15884 : porous heterogenite mass, with botryoidal aspect, thin malachite coating
    Minerals: HETEROGENITE MALACHITE
    Year:
    Country: Congo (RDC)
  • Sample n°15885 : coarse-crystalline cobalt-bearing calcite, fine-grained plancheite
    Minerals: CALCITE PLANCHEITE
    Year:
    Country: Congo (RDC)
  • Sample n°15886 : massive
    Minerals: BORNITE CHALCOCITE
    Year:
    Country: Congo (RDC)
  • Sample n°15887 : massive cuprite, with minor gerhardtite
    Minerals: CUPRITE GERHARDTITE
    Year:
    Country: Congo (RDC)
  • Sample n°15888 : layered green coatings, coarse-crystalline calcite infillings
    Minerals: MALACHITE CALCITE CHRYSOCOLLA PLANCHEITE
    Year:
    Country: Congo (RDC)
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