Mineralogy Database

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292 samples matching your criteria

  • Sample n°2967 : black tourmaline crystals (1 cm) in altered fluorapatite and quartz
    Minerals: TOURMALINE FLUORAPATITE QUARTZ
    Year: 1928
    Country: Congo (RDC)
  • Sample n°2968 : black crystals in quartz
    Minerals: TOURMALINE
    Year: 1928
    Country: Unknown
  • Sample n°2996 : debris of prismatic crystals (2 cm)
    Minerals: TOURMALINE
    Year: 1948
    Country: Congo (RDC)
  • Sample n°3128 : sample with autunite covered by chalcedony, on micaschist with tourmaline
    Minerals: CHALCEDONY (quartz) AUTUNITE TOURMALINE
    Year: 1952
    Country: Congo (RDC)
  • Sample n°3231 : anhedral crystals in pegmatite
    Minerals: TOURMALINE
    Year: 1952
    Country: Congo (RDC)
  • Sample n°3271 : broken crystal (2 cm)
    Minerals: TOURMALINE
    Year: 1928
    Country: Congo (RDC)
  • Sample n°3326 : sorted concentrates
    Minerals: ANDALUSITE GARNET ILMENITE MAGNETITE CHALCEDONY (quartz) KYANITE STAUROLITE QUARTZ TOURMALINE CHRYSOBERYL
    Year:
    Country: Congo (RDC)
  • Sample n°3555 : long black needles in pegmatite (core sample)
    Minerals: TOURMALINE
    Year:
    Country: Congo (RDC)
  • Sample n°3556 : black needles and compact crystals in micaceous tourmalinite
    Minerals: TOURMALINE
    Year:
    Country: Congo (RDC)
  • Sample n°3650 : black prismatic crystals (2 cm) and needles in pegmatite
    Minerals: TOURMALINE
    Year:
    Country: Congo (RDC)
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