Mineralogy Database

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139 samples matching your criteria

  • Sample n°19332 : ferberite alteration, var ferrotungstite
    Minerals: FERBERITE HYDROKENOELSMOREITE
    Year: 2020
    Country: Rwanda
  • Sample n°19333 : large crystal
    Minerals: CASSITERITE
    Year: 2020
    Country: Rwanda
  • Sample n°19334 : coarse-crystalline fragments
    Minerals: CASSITERITE
    Year: 2020
    Country: Rwanda
  • Sample n°19335 : cleavage fragments
    Minerals: COLUMBITE
    Year: 2020
    Country: Rwanda
  • Sample n°19336 : plates
    Minerals: COLUMBITE
    Year: 2020
    Country: Rwanda
  • Sample n°19337 : simple and complex crystals
    Minerals: QUARTZ
    Year: 2020
    Country: Rwanda
  • Sample n°19338 : masive
    Minerals: HEMATITE
    Year: 2020
    Country: Rwanda
  • Sample n°19339 : spring depoits on ferruginous substrate
    Minerals: ARAGONITE
    Year: 2020
    Country: Rwanda
  • Sample n°19340 : pegmatite
    Minerals: SPODUMENE
    Year: 2020
    Country: Rwanda
  • Sample n°19341 : fragments with prism faces
    Minerals: BERYL
    Year: 2020
    Country: Rwanda
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