Mineralogy Database

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292 samples matching your criteria

  • Sample n°11822 : black tourmaline (2 cm) and sulfides on pegmatite (15 cm)
    Minerals: TOURMALINE LOELLINGITE
    Year: 1968
    Country: Czech Republic
  • Sample n°12488 : bundles of brown acicular prismatic crystals in oxidised rock
    Minerals: TOURMALINE
    Year: 1970
    Country: Rwanda
  • Sample n°12604 : aggregate of rust-coloured black prismatic crystals
    Minerals: TOURMALINE
    Year: 1971
    Country: Tanzania
  • Sample n°12621 : black crystals (1-5 cm) in muscovite-bearing pegmatite
    Minerals: CASSITERITE TOURMALINE
    Year: 1971
    Country: Congo (RDC)
  • Sample n°12631 : pink prismatic crystals (4 cm) in lepidolite fragments
    Minerals: LEPIDOLITE TOURMALINE
    Year: 1971
    Country: Congo (RDC)
  • Sample n°12632 : rounded mixed fragment (5 cm)
    Minerals: CASSITERITE TOURMALINE
    Year: 1971
    Country: Congo (RDC)
  • Sample n°12641 : black and pale blue crystals in pink pegmatite
    Minerals: FLUORAPATITE TOURMALINE
    Year: 1971
    Country: Congo (RDC)
  • Sample n°12662 : black wolframite coating, yellowish scorodite crust
    Minerals: SCORODITE WOLFRAMITE QUARTZ TOURMALINE
    Year: 1971
    Country: Congo (RDC)
  • Sample n°12665 : mixed metallic encrustation on iron-rich rock
    Minerals: WOLFRAMITE MONAZITE RUTILE TOURMALINE
    Year: 1971
    Country: Congo (RDC)
  • Sample n°12668 : crust of striated black prismatic crystals in pink sandstone
    Minerals: TOURMALINE
    Year: 1971
    Country: Congo (RDC)
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