Mineralogy Database

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379 samples matching your criteria

  • Sample n°12935 : jagged plate (15 cm)
    Minerals: MUSCOVITE
    Year: 1972
    Country: Rwanda
  • Sample n°12936 : white block (5 cm) with small pale green tabular crystals
    Minerals: MONTEBRASITE WAVELLITE
    Year: 1972
    Country: Rwanda
  • Sample n°12937 : black tabular crystals in quartz (6 cm)
    Minerals: MAGNETITE
    Year: 1972
    Country: Rwanda
  • Sample n°12938 : black cassiterite on debris of saccharoidal quartz
    Minerals: CASSITERITE QUARTZ
    Year: 1972
    Country: Rwanda
  • Sample n°12939 : pink debris
    Minerals: ORTHOCLASE
    Year: 1972
    Country: Rwanda
  • Sample n°12940 : pyramidal crystals (6 mm) on quartz
    Minerals: CASSITERITE QUARTZ
    Year: 1970
    Country: Congo (RDC)
  • Sample n°12943 : black crystalline blocks (6-8 cm)
    Minerals: WOLFRAMITE
    Year: 1972
    Country: Rwanda
  • Sample n°12945 : brown concentrate (4 mm)
    Minerals: XENOTIME-(Y)
    Year: 1972
    Country: Congo (RDC)
  • Sample n°12946 : sample with green autunite on beryl, yellow-orange phosphuranylite crust
    Minerals: AUTUNITE PHOSPHURANYLITE BERYL
    Year: 1972
    Country: Rwanda
  • Sample n°12981 : muscovitite with large pale green plates
    Minerals: MUSCOVITE
    Year: 1970
    Country: Rwanda
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