Mineralogy Database

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1097 samples matching your criteria

  • Sample n°9641 : albite-bearing coarse-grained pegmatite
    Minerals: ALBITE QUARTZ
    Year:
    Country: Rwanda
  • Sample n°9222 : grey quartzite with clear quartz veins
    Minerals: QUARTZ
    Year: 1962
    Country: Rwanda
  • Sample n°9225 : partly altered quartzite
    Minerals: QUARTZ
    Year: 1962
    Country: Rwanda
  • Sample n°9228 : granular quartz from tin-bearing vein
    Minerals: QUARTZ
    Year: 1962
    Country: Rwanda
  • Sample n°9240 : tourmalinised schist
    Minerals: TOURMALINE QUARTZ
    Year: 1962
    Country: Rwanda
  • Sample n°8649 : gneiss with prominent banding
    Minerals: BIOTITE FELDSPAR QUARTZ
    Year: 1960
    Country: Congo (RDC)
  • Sample n°3249 : coarse-crystalline quartz vein in granite, with powdery green material
    Minerals: QUARTZ SCORODITE
    Year: 1949
    Country: Congo (RDC)
  • Sample n°3251 : coarse-crystalline quartz vein in granite, with powdery green material
    Minerals: SCORODITE QUARTZ
    Year: 1949
    Country: Congo (RDC)
  • Sample n°2501 : cassiterite in coarse-crystalline quartz vein
    Minerals: CASSITERITE MUSCOVITE QUARTZ
    Year:
    Country: Congo (RDC)
  • Sample n°2502 : block with prominent banding, variations in crystal size
    Minerals: MICA QUARTZ
    Year:
    Country: Congo (RDC)
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