Mineralogy Database

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102 samples matching your criteria

  • Sample n°13364 : octahedron (1 cm)
    Minerals: FERBERITE
    Year:
    Country: Rwanda
  • Sample n°13539 : ochre crust on white debris
    Minerals: CHURCHITE-(Y) AMBLYGONITE
    Year:
    Country: Rwanda
  • Sample n°13540 : earthy yellow material enclosed in brown block (10 cm)
    Minerals: CYRILOVITE GOETHITE
    Year: 1972
    Country: Rwanda
  • Sample n°14148 : yellow concentrate (1 mm)
    Minerals: MICROLITE
    Year: 1984
    Country: Rwanda
  • Sample n°14310 : yellow-grey earthy debris (5 cm)
    Minerals: BISMUTHINITE
    Year: 1983
    Country: Rwanda
  • Sample n°13687 : concentrate
    Minerals: PYROCHLORE URANPYROCHLORE ZIRCON
    Year: 1979
    Country: Rwanda
  • Sample n°15927 : debris
    Minerals: MICROLITE
    Year:
    Country: Rwanda
  • Sample n°16221 : coatings of small crystals
    Minerals: AMETHYST (quartz)
    Year:
    Country: Rwanda
  • Sample n°16033 : aggregates with deep purple colour
    Minerals: AMETHYST (quartz)
    Year: 1967
    Country: Rwanda
  • Sample n°17853 : altered ferberite in quartz
    Minerals: ANTHOINITE FERBERITE
    Year: 2017
    Country: Rwanda
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