Mineralogy Database

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35 samples matching your criteria

  • Sample n°4361 : black crystal (3 cm)
    Minerals: CASSITERITE
    Year: 1954
    Country: Rwanda
  • Sample n°7982 : crystal (4 cm)
    Minerals: WOLFRAMITE
    Year:
    Country: Rwanda
  • Sample n°9126.1 : grey fragments (3 cm)
    Minerals: CASSITERITE
    Year: 1962
    Country: Rwanda
  • Sample n°9127 : bright black twinned crystals (1-3 cm), with polished section
    Minerals: CASSITERITE
    Year: 1962
    Country: Rwanda
  • Sample n°9128 : black scoriaceous mass (4 cm)
    Minerals: FERBERITE KAOLINITE
    Year: 1962
    Country: Rwanda
  • Sample n°9129 : bright black tabular crystals (3 cm)
    Minerals: WOLFRAMITE
    Year: 1962
    Country: Rwanda
  • Sample n°9742 : white coating on quartz
    Minerals: KAOLINITE
    Year:
    Country: Rwanda
  • Sample n°9763 : bright crystal
    Minerals: CASSITERITE
    Year:
    Country: Rwanda
  • Sample n°10248 : bright black twinned crystal (2 cm)
    Minerals: CASSITERITE
    Year:
    Country: Rwanda
  • Sample n°10257 : bright brown crystals (1-4 cm)
    Minerals: CASSITERITE
    Year:
    Country: Rwanda
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