Mineralogy Database

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1547 samples matching your criteria

  • Sample n°6543 : plates
    Minerals: MUSCOVITE
    Year:
    Country: Rwanda
  • Sample n°8854 : pegmatite
    Minerals: MUSCOVITE ALBITE
    Year:
    Country: Rwanda
  • Sample n°9745 : autunite on quartz, in geode
    Minerals: AUTUNITE BOLTWOODITE URANINITE
    Year: 1962
    Country: Rwanda
  • Sample n°13687 : concentrate
    Minerals: PYROCHLORE URANPYROCHLORE ZIRCON
    Year: 1979
    Country: Rwanda
  • Sample n°9073 : well-developed crystals
    Minerals: FERBERITE
    Year: 1962
    Country: Rwanda
  • Sample n°9591 : cassiterite in greisen
    Minerals: CASSITERITE
    Year: 1962
    Country: Rwanda
  • Sample n°9594 : coarse-grained greisen
    Minerals: MUSCOVITE QUARTZ
    Year: 1962
    Country: Rwanda
  • Sample n°9657 : pegmatite with partially albitised microcline, coarse-crystalline muscovite
    Minerals: MICROCLINE MUSCOVITE
    Year: 1962
    Country: Rwanda
  • Sample n°9679 : coarse-grained blocks with prominent large biotite crystals
    Minerals: ALBITE BIOTITE QUARTZ MUSCOVITE
    Year: 1962
    Country: Rwanda
  • Sample n°11145 : microcline-dominated pegmatite with muscovite-rich veins
    Minerals: MUSCOVITE MICROCLINE
    Year:
    Country: Rwanda
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