Mineralogy Database

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1547 samples matching your criteria

  • Sample n°8805 : grey cryptocrystalline material (5 cm)
    Minerals: MUSCOVITE
    Year: 1961
    Country: Rwanda
  • Sample n°8806 : white clayey block (5 cm)
    Minerals: HALLOYSITE
    Year: 1960
    Country: Rwanda
  • Sample n°8810 : white block (7 cm)
    Minerals: MUSCOVITE FELDSPAR
    Year: 1960
    Country: Rwanda
  • Sample n°8811 : white micaceous blocks (5 cm)
    Minerals: NATROMONTEBRASITE ALBITE MUSCOVITE
    Year: 1960
    Country: Rwanda
  • Sample n°8812 : sample composed of concentrate of radioactive microlite
    Minerals: MICROLITE
    Year:
    Country: Rwanda
  • Sample n°8840 : brown-pink tantalaite-(Mn) fragments (1-5 cm), and partially sorted coarse concentrates
    Minerals: TANTALITE-(Mn) COLUMBITE TANTALITE ZIRCON
    Year: 1961
    Country: Rwanda
  • Sample n°8841 : pink pegmatite
    Minerals: ALBITE MUSCOVITE
    Year: 1961
    Country: Rwanda
  • Sample n°8842 : green fibrous amphibolite
    Minerals: ACTINOLITE
    Year:
    Country: Rwanda
  • Sample n°8843 : white and blue block (12 cm)
    Minerals: MONTEBRASITE VARISCITE WAVELLITE BRAZILIANITE MITRIDATITE QUARTZ SCORZALITE
    Year:
    Country: Rwanda
  • Sample n°8844 : blue block (15 cm)
    Minerals: SCORZALITE MONTEBRASITE PYRITE QUARTZ
    Year:
    Country: Rwanda
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