Mineralogy Database

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122 samples matching your criteria

  • Sample n°18789 : large crystals
    Minerals: COLUMBITE TANTALITE
    Year: 2019
    Country: Rwanda
  • Sample n°18790 : plate-shaped crystals and fragments
    Minerals: COLUMBITE TANTALITE
    Year: 2019
    Country: Rwanda
  • Sample n°18791 : crystals in rock matrix, var. chiastolite
    Minerals: ANDALUSITE
    Year: 2019
    Country: Rwanda
  • Sample n°18792 : crystals and crystal fragments
    Minerals: CASSITERITE
    Year: 2019
    Country: Rwanda
  • Sample n°18793 : crystal aggregates
    Minerals: CASSITERITE
    Year: 2019
    Country: Rwanda
  • Sample n°18794 : massive
    Minerals: BRAZILIANITE
    Year: 2019
    Country: Rwanda
  • Sample n°18795 : coarse-crystalline mass
    Minerals: ALLUAUDITE
    Year: 2019
    Country: Rwanda
  • Sample n°18796 : split block with extremely coarse crystal size
    Minerals: ALLUAUDITE
    Year: 2019
    Country: Rwanda
  • Sample n°18797 : coarse-crystalline block with contrasting components
    Minerals: ALLUAUDITE PURPURITE
    Year: 2019
    Country: Rwanda
  • Sample n°18798 : greyish massive block
    Minerals: MONTEBRASITE
    Year: 2019
    Country: Rwanda
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