Mineralogy Database

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1534 samples matching your criteria

  • Sample n°1796 : fibrous block (7 cm)
    Minerals: TOURMALINE
    Year:
    Country: Rwanda
  • Sample n°1858 : pale green muscovite plates enclosing one black cassiterite crystal
    Minerals: MUSCOVITE CASSITERITE
    Year:
    Country: Rwanda
  • Sample n°1860 : bright black debris
    Minerals: HEMATITE
    Year:
    Country: Rwanda
  • Sample n°1861 : debris of crystals (2 cm)
    Minerals: CASSITERITE
    Year:
    Country: Rwanda
  • Sample n°1863 : massive black ferberite in quartz
    Minerals: FERBERITE QUARTZ
    Year:
    Country: Rwanda
  • Sample n°1864 : mineralised detrital blocks
    Minerals: WOLFRAMITE QUARTZ
    Year:
    Country: Rwanda
  • Sample n°1865 : brown twinned crystal (3 cm)
    Minerals: CASSITERITE QUARTZ
    Year:
    Country: Rwanda
  • Sample n°1866 : bright brown plate (6 cm)
    Minerals: CASSITERITE
    Year:
    Country: Rwanda
  • Sample n°1867 : brown and black mixed material (7 cm)
    Minerals: CASSITERITE WOLFRAMITE QUARTZ
    Year:
    Country: Rwanda
  • Sample n°1868 : tetragonal pyramidal crystals and part of prismatic crystal (2-5 cm)
    Minerals: FERBERITE
    Year:
    Country: Rwanda
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