Mineralogy Database

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32 samples matching your criteria

  • Sample n°12345 : bright black plates (2-4 cm)
    Minerals: COLUMBITE
    Year: 1970
    Country: Rwanda
  • Sample n°13271 : debris of crystals (1-2 cm)
    Minerals: CASSITERITE
    Year:
    Country: Rwanda
  • Sample n°13367 : white crust on brown ore and quartz
    Minerals: ANTHOINITE
    Year:
    Country: Rwanda
  • Sample n°14359 : coarse-grained fragment
    Minerals: COLUMBITE TANTALITE
    Year: 1986
    Country: Rwanda
  • Sample n°14360 : black oxidised plate (8 cm)
    Minerals: COLUMBITE TANTALITE
    Year: 1986
    Country: Rwanda
  • Sample n°14367 : large single crystal (22 kg)
    Minerals: CASSITERITE
    Year: 1986
    Country: Rwanda
  • Sample n°14368 : cleaved block (60 kg)
    Minerals: CASSITERITE
    Year: 1986
    Country: Rwanda
  • Sample n°9073 : well-developed crystals
    Minerals: FERBERITE
    Year: 1962
    Country: Rwanda
  • Sample n°17078 : cassiterite in quartz
    Minerals: CASSITERITE
    Year: 2013
    Country: Rwanda
  • Sample n°17086 : single crystal
    Minerals: CASSITERITE
    Year: 2014
    Country: Rwanda
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