Mineralogy Database

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291 samples matching your criteria

  • Sample n°274 : tourmaline crystals (3 mm) in quarzite
    Minerals: TOURMALINE QUARTZ
    Year: 1911
    Country: Congo (RDC)
  • Sample n°309 : garnet rhombododecahedrons (1 cm), black tourmaline needles
    Minerals: GARNET TOURMALINE
    Year: 1912
    Country: Congo (RDC)
  • Sample n°351 : black needles in micaschist
    Minerals: TOURMALINE
    Year:
    Country: Congo (RDC)
  • Sample n°381 : black fibrous block (5 cm)
    Minerals: TOURMALINE ILMENITE
    Year: 1913
    Country: Congo (RDC)
  • Sample n°384 : bundles of prismatic crystals in micaschist
    Minerals: TOURMALINE
    Year: 1913
    Country: Congo (RDC)
  • Sample n°386 : massive tourmaline within quartz
    Minerals: TOURMALINE QUARTZ
    Year: 1913
    Country: Congo (RDC)
  • Sample n°389 : black prismatic crystals (2 cm) in quartz debris
    Minerals: TOURMALINE
    Year:
    Country: Rwanda
  • Sample n°462 : needles in quartz
    Minerals: TOURMALINE
    Year: 1922
    Country: Congo (RDC)
  • Sample n°536 : black crystals in quartz fragments
    Minerals: TOURMALINE QUARTZ
    Year: 1913
    Country: Congo (RDC)
  • Sample n°595 : needle-shaped crystals in tourmalinite
    Minerals: TOURMALINE
    Year: 1899
    Country: Congo (RDC)
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