Mineralogy Database

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402 samples matching your criteria

  • Sample n°9148 : group of pyramidal prismatic crystals (10 cm), slightly smoky aspect
    Minerals: QUARTZ
    Year: 1962
    Country: Rwanda
  • Sample n°9149 : clear prismatic crystal (8 cm)
    Minerals: QUARTZ
    Year: 1962
    Country: Rwanda
  • 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°9221 : black anhedral crystal in vein quartz (4 cm), and debris
    Minerals: CASSITERITE
    Year:
    Country: Rwanda
  • Sample n°9232 : brown crystalline masses in clear quartz
    Minerals: CASSITERITE
    Year:
    Country: Rwanda
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