Mineralogy Database

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3 samples matching your criteria

  • Sample n°271 : crystals on vein quartz
    Minerals: PYRITE QUARTZ
    Year: 1911
    Country: Congo (RDC)
  • Sample n°273 : black, specular
    Minerals: HEMATITE
    Year: 1911
    Country: Congo (RDC)
  • Sample n°274 : tourmaline crystals (3 mm) in quarzite
    Minerals: TOURMALINE QUARTZ
    Year: 1911
    Country: Congo (RDC)