Mineralogy Database

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168 samples matching your criteria

  • Sample n°14043 : partly crystallised in quartz
    Minerals: PYRITE
    Year:
    Country: Congo (RDC)
  • Sample n°14044 : partly crystallised (galena), remainder fine granular
    Minerals: GALENA CHALCOPYRITE SPHALERITE
    Year:
    Country: Congo (RDC)
  • Sample n°14045 : small crystals as contiuous coating
    Minerals: LIBETHENITE
    Year:
    Country: Congo (RDC)
  • Sample n°10648 : coarse-crystalline blocks
    Minerals: ALLUAUDITE HETEROSITE PHOSPHOSIDERITE
    Year: 1965
    Country: Rwanda
  • Sample n°10679 : massive
    Minerals: AMBLYGONITE
    Year: 1965
    Country: Rwanda
  • Sample n°16221 : coatings of small crystals
    Minerals: AMETHYST (quartz)
    Year:
    Country: Rwanda
  • Sample n°16223 : abundant large crystals in quartz
    Minerals: TOURMALINE
    Year:
    Country: Rwanda
  • Sample n°16224 : abundant green crystals in micaceous matrix
    Minerals: TOURMALINE MUSCOVITE
    Year:
    Country: Rwanda
  • Sample n°16033 : aggregates with deep purple colour
    Minerals: AMETHYST (quartz)
    Year: 1967
    Country: Rwanda
  • Sample n°10691 : crystals
    Minerals: CASSITERITE
    Year:
    Country: Rwanda
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