Mineralogy Database

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292 samples matching your criteria

  • Sample n°15989 : crystal fragment
    Minerals: TOURMALINE
    Year:
    Country: Congo (RDC)
  • Sample n°1470 : wide vein
    Minerals: CASSITERITE TOURMALINE
    Year:
    Country: Congo (RDC)
  • Sample n°18412 : crystals in rock matrix
    Minerals: TOURMALINE
    Year: 2017
    Country: Congo (RDC)
  • Sample n°18428 : groups of elongated crystals in fine-grained greisen
    Minerals: TOURMALINE
    Year: 2017
    Country: Congo (RDC)
  • Sample n°15065 : green cut stone (round cut)
    Minerals: TOURMALINE
    Year: 1991
    Country: Tanzania
  • Sample n°16671 : coarse-crystalline muscovite, with tourmaline cluster
    Minerals: MUSCOVITE TOURMALINE
    Year:
    Country: Burundi
  • Sample n°16682 : crystals in vein quartz
    Minerals: CASSITERITE TOURMALINE
    Year:
    Country: Burundi
  • Sample n°9393 : abundant tourmaline in albititic rock matrix
    Minerals: TOURMALINE
    Year:
    Country: Rwanda
  • Sample n°16157 : crystals in rock matrix
    Minerals: TOURMALINE
    Year:
    Country: Congo (RDC)
  • Sample n°5989 : pinkish spodumene, in pegmatite
    Minerals: SPODUMENE TOURMALINE MUSCOVITE MICROCLINE
    Year: 1957
    Country: Congo (RDC)
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