Mineralogy Database

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35 samples matching your criteria

  • Sample n°10289 : massive black wolframite in quartz (10 cm)
    Minerals: WOLFRAMITE
    Year:
    Country: Rwanda
  • Sample n°10454 : bright black tabular crytals (1-4 cm)
    Minerals: WOLFRAMITE
    Year:
    Country: Rwanda
  • Sample n°10491 : black block (4 cm)
    Minerals: WOLFRAMITE
    Year:
    Country: Rwanda
  • Sample n°10614 : brown and honey-coloured crystals (4 cm)
    Minerals: CASSITERITE
    Year:
    Country: Rwanda
  • Sample n°10615 : bright black tabular crystams (2 cm)
    Minerals: WOLFRAMITE
    Year:
    Country: Rwanda
  • Sample n°17340 : prismatic crystal
    Minerals: CASSITERITE
    Year: 2016
    Country: Rwanda
  • Sample n°17893 : rounded fragments
    Minerals: CASSITERITE
    Year: 2017
    Country: Rwanda
  • Sample n°17894 : rounded fragments
    Minerals: CASSITERITE
    Year: 2017
    Country: Rwanda
  • Sample n°17895 : porous material
    Minerals: FERBERITE
    Year: 2017
    Country: Rwanda
  • Sample n°18739 : medium to large black lustrous crystals and aggregates
    Minerals: CASSITERITE
    Year: 2019
    Country: Rwanda
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