Mineralogy Database

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85 samples matching your criteria

  • Sample n°18762 : rounded fragments
    Minerals: BISMUTHINITE
    Year:
    Country: Rwanda
  • Sample n°18763 : crystal fragment
    Minerals: COLUMBITE TANTALITE
    Year: 2019
    Country: Rwanda
  • Sample n°18767 : fragments, var. chiastolite
    Minerals: ANDALUSITE
    Year: 2019
    Country: Rwanda
  • Sample n°18769 : black crystals
    Minerals: CASSITERITE
    Year: 2019
    Country: Rwanda
  • Sample n°18770 : medium to small black crystals
    Minerals: CASSITERITE
    Year: 2019
    Country: Rwanda
  • Sample n°18771 : brown crystals and crystal fragments
    Minerals: CASSITERITE
    Year: 2019
    Country: Rwanda
  • Sample n°18772 : brownish translucent fragments
    Minerals: CASSITERITE
    Year: 2019
    Country: Rwanda
  • Sample n°18773 : bi-coloured, brown and black
    Minerals: CASSITERITE
    Year: 2019
    Country: Rwanda
  • Sample n°18774 : bi-coloured, translucent brown and black
    Minerals: CASSITERITE
    Year: 2019
    Country: Rwanda
  • Sample n°18775 : bi-coloured rounded fragments
    Minerals: CASSITERITE
    Year: 2019
    Country: Rwanda
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