Mineralogy Database

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282 samples matching your criteria

  • Sample n°10582 : massive black tourmaline in pegmatite
    Minerals: TOURMALINE
    Year: 1930
    Country: Congo (RDC)
  • Sample n°10844 : broken prismatic crystals in altered pegmatite
    Minerals: TOURMALINE
    Year: 1930
    Country: Congo (RDC)
  • Sample n°10848 : long black striated needles in gold-bearing quartz
    Minerals: TOURMALINE QUARTZ
    Year: 1933
    Country: Congo (RDC)
  • Sample n°11042 : pink limestone impregnated with sulfides and intergrown black needles
    Minerals: TOURMALINE PYRITE
    Year: 1966
    Country: South Africa
  • Sample n°11068 : fragments with large crystals
    Minerals: TOURMALINE
    Year: 1936
    Country: Congo (RDC)
  • Sample n°11242 : debris of crystals
    Minerals: TOURMALINE
    Year:
    Country: Rwanda
  • Sample n°11321 : yellowish crystals with vitreous lustre in pegmatite
    Minerals: RHODIZITE FLUORAPATITE TOURMALINE
    Year: 1967
    Country: Madagascar
  • Sample n°11358 : black fragments (3-8 cm)
    Minerals: TOURMALINE
    Year:
    Country: Burundi
  • Sample n°11553 : broken and corroded black crystal (7 cm)
    Minerals: TOURMALINE
    Year: 1968
    Country: Congo (RDC)
  • Sample n°11559 : apple-green nodules (2 mm) in block (7 cm)
    Minerals: ARTHURITE TOURMALINE
    Year: 1968
    Country: USA
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