Mineralogy Database

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121 samples matching your criteria

  • Sample n°854 : broken black crystals in pegmatite (15 cm)
    Minerals: CASSITERITE
    Year: 1934
    Country: Rwanda
  • Sample n°855 : black crystals in greisen (8 cm)
    Minerals: CASSITERITE
    Year: 1934
    Country: Rwanda
  • Sample n°857 : blue speckles and white plates in pegmatite
    Minerals: SCORZALITE APATITE
    Year: 1930
    Country: Rwanda
  • Sample n°861 : red, earth-like
    Minerals: HEMATITE
    Year: 1934
    Country: Rwanda
  • Sample n°863 : black earth-like debris
    Minerals: HEMATITE
    Year: 1934
    Country: Rwanda
  • Minerals: CHALCEDONY (quartz) QUARTZ
    Year: 1934
    Country: Rwanda
  • Sample n°1310 : spots in pink pegmatite
    Minerals: CASSITERITE
    Year: 1934
    Country: Rwanda
  • Sample n°1311 : brown crystals (1-5 cm)
    Minerals: CASSITERITE
    Year: 1934
    Country: Rwanda
  • Sample n°1312 : bundles of prismatic crystals in greisen
    Minerals: SCHORL
    Year: 1934
    Country: Rwanda
  • Sample n°1858 : pale green muscovite plates enclosing one black cassiterite crystal
    Minerals: MUSCOVITE CASSITERITE
    Year:
    Country: Rwanda