Mineralogy Database

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282 samples matching your criteria

  • Sample n°7978 : black needles (2 cm) in white micaschist
    Minerals: TOURMALINE
    Year:
    Country: Congo (RDC)
  • Sample n°8021 : white prismatic crystals (1-5 cm) in vein with microgranular black tourmaline
    Minerals: TOPAZ TOURMALINE
    Year:
    Country: Congo (RDC)
  • Sample n°8022 : vein with topaz crystals along sides, followed by tourmaline infilling
    Minerals: TOPAZ TOURMALINE
    Year:
    Country: Congo (RDC)
  • Sample n°8029 : stony topaz veins in quartz, bundles of black tourmaline needles
    Minerals: TOPAZ TOURMALINE MUSCOVITE
    Year:
    Country: Congo (RDC)
  • Sample n°8030 : stony topaz veins in quartz with bundles of black tourmaline needles
    Minerals: MUSCOVITE TOPAZ TOURMALINE
    Year:
    Country: Congo (RDC)
  • Sample n°8525 : coatings and black needles in vein quartz (2-7 cm)
    Minerals: CASSITERITE TOURMALINE QUARTZ
    Year:
    Country: Rwanda
  • Sample n°8529.1 : oriented black needles in micaschist (10 cm)
    Minerals: TOURMALINE
    Year:
    Country: Rwanda
  • Sample n°8548 : quartz fragments (3 cm) with oriented black prismatic crystals
    Minerals: TOURMALINE
    Year:
    Country: Congo (RDC)
  • Sample n°8549 : greenish fibrous prismatic crystal (5 cm)
    Minerals: TOURMALINE
    Year:
    Country: Congo (RDC)
  • Sample n°8631 : small needles in pegmatite
    Minerals: TOURMALINE SIDERITE
    Year:
    Country: Congo (RDC)
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