Mineralogy Database

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10 samples matching your criteria

  • Sample n°9189 : layer of black tourmalinite in quartzite
    Minerals: TOURMALINE
    Year:
    Country: Rwanda
  • Sample n°9191 : clear debris (3-8 cm)
    Minerals: QUARTZ
    Year:
    Country: Rwanda
  • Sample n°9195 : debris
    Minerals: CASSITERITE
    Year:
    Country: Rwanda
  • Sample n°9207 : white clayey block (5 cm)
    Minerals: KAOLINITE
    Year:
    Country: Rwanda
  • Sample n°9209 : small black needles in pink altered schist
    Minerals: TOURMALINE
    Year:
    Country: Rwanda
  • Sample n°9216 : block of clear quartz (16 cm)
    Minerals: QUARTZ
    Year:
    Country: Rwanda
  • Sample n°10630 : brown anhedral crystals in yellow micaceous quartz, block (7 cm) and larger piece
    Minerals: CASSITERITE
    Year:
    Country: Rwanda
  • Sample n°10631 : black tablets (8 cm) in vein quartz
    Minerals: COLUMBITE
    Year:
    Country: Rwanda
  • Sample n°17866 : fine needles in schist
    Minerals: TOURMALINE
    Year: 2017
    Country: Rwanda
  • Sample n°17867 : intergrowths
    Minerals: CASSITERITE
    Year: 2017
    Country: Rwanda
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