Mineralogy Database

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292 samples matching your criteria

  • Sample n°4701 : black prismatic crystal (10 cm) in vein quartz
    Minerals: TOURMALINE QUARTZ
    Year: 1954
    Country: Rwanda
  • Sample n°4702 : stacked black needles in micaschist
    Minerals: TOURMALINE
    Year:
    Country: Unknown
  • Sample n°5453 : black massive material in greisen
    Minerals: TOURMALINE
    Year: 1955
    Country: Rwanda
  • Sample n°6046 : black material on greisen
    Minerals: TOURMALINE
    Year: 1952
    Country: Congo (RDC)
  • Sample n°6223 : sample with pink-green apatite, black massive tourmaline (weakly radioactive sample)
    Minerals: APATITE TOURMALINE
    Year: 1958
    Country: Congo (RDC)
  • Sample n°6296 : rounded black debris (1 cm)
    Minerals: TOURMALINE
    Year:
    Country: Congo (RDC)
  • Sample n°6473 : black tourmaline needles, brown cassiterite crystals, in layered rock
    Minerals: TOURMALINE CASSITERITE
    Year:
    Country: Congo (RDC)
  • Sample n°6508 : black needles (cm) in quartz
    Minerals: TOURMALINE QUARTZ
    Year:
    Country: Congo (RDC)
  • Sample n°6511 : small black anhedral crystals
    Minerals: TOURMALINE QUARTZ
    Year:
    Country: Congo (RDC)
  • Sample n°6512 : pegmatite with quartz
    Minerals: TOURMALINE MUSCOVITE QUARTZ
    Year:
    Country: Congo (RDC)
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