Mineralogy Database

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7938 samples matching your criteria

  • Sample n°10846 : small crystals on quartz fragment
    Minerals: GOLD QUARTZ
    Year: 1930
    Country: Congo (RDC)
  • Sample n°10847 : white crystals in black phyllite, var. chiastolite
    Minerals: ANDALUSITE
    Year:
    Country: Congo (RDC)
  • Sample n°10848 : long black striated needles in gold-bearing quartz
    Minerals: TOURMALINE QUARTZ
    Year: 1933
    Country: Congo (RDC)
  • Sample n°10849 : amethyst (1 cm) in quartz vein
    Minerals: QUARTZ AMETHYST (quartz)
    Year: 1930
    Country: Congo (RDC)
  • Sample n°10851 : boulder with gold aggregates
    Minerals: GOLD
    Year: 1930
    Country: Congo (RDC)
  • Sample n°10853 : mixed concentrate (1 cm)
    Minerals: RUTILE STAUROLITE
    Year: 1930
    Country: Congo (RDC)
  • Sample n°10854 : white fibres (10 cm) in white quartzite
    Minerals: ACTINOLITE
    Year:
    Country: Congo (RDC)
  • Sample n°10855 : rare in vein quartz
    Minerals: GALENA GRAPHITE PYRITE QUARTZ
    Year: 1930
    Country: Congo (RDC)
  • Sample n°10856 : black prismatic crystals (0.1-2 cm) in phillite
    Minerals: STAUROLITE
    Year: 1930
    Country: Congo (RDC)
  • Sample n°10857 : isolated white crystals (2 cm), var. chiastolite
    Minerals: ANDALUSITE
    Year: 1930
    Country: Congo (RDC)
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