Mineralogy Database

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292 samples matching your criteria

  • Sample n°4234 : nugget (1 cm) with enclosed black material
    Minerals: GOLD TOURMALINE
    Year: 1954
    Country: Burundi
  • Sample n°4238 : platelets on quartz with tourmaline needles
    Minerals: GOLD TOURMALINE
    Year: 1951
    Country: Congo (RDC)
  • Sample n°4690 : part of purple prismatic crystal (1 cm)
    Minerals: TOURMALINE
    Year:
    Country: Unknown
  • Sample n°4691 : debris
    Minerals: TOURMALINE
    Year: 1954
    Country: Rwanda
  • Sample n°4694 : black compact prismatic crystal on quartz
    Minerals: TOURMALINE QUARTZ
    Year:
    Country: Unknown
  • Sample n°4695 : fine black needles (4 cm) in blue quartz
    Minerals: TOURMALINE
    Year: 1954
    Country: Rwanda
  • Sample n°4696 : terminated prismatic crystal with triangular cross-section (3 cm)
    Minerals: TOURMALINE
    Year:
    Country: Madagascar
  • Sample n°4697 : tourmaline in micaschist
    Minerals: TOURMALINE
    Year:
    Country: Congo (RDC)
  • Sample n°4698 : reworked black and green prismatic crystals
    Minerals: TOURMALINE
    Year: 1954
    Country: République Centrafricaine
  • Sample n°4700 : isolated green and black prismatic crystals (1 cm)
    Minerals: TOURMALINE
    Year:
    Country: Unknown
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