Mineralogy Database

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7938 samples matching your criteria

  • Sample n°289 : crystal (15 cm)
    Minerals: QUARTZ
    Year: 1912
    Country: Congo (RDC)
  • Sample n°290 : transparent prismatic crystals
    Minerals: QUARTZ
    Year: 1912
    Country: Congo (RDC)
  • Sample n°291 : blue crystalline crust and green coatings on quartz with chalcocite
    Minerals: AZURITE MALACHITE CHALCOCITE
    Year: 1912
    Country: Congo (RDC)
  • Sample n°292 : mineralisation in quartz
    Minerals: CHALCOCITE
    Year: 1912
    Country: Congo (RDC)
  • Sample n°294 : blue and green coatings of rock substrate
    Minerals: AZURITE MALACHITE
    Year: 1912
    Country: Congo (RDC)
  • Sample n°295 : oxidised ore
    Minerals: CHALCOCITE MALACHITE
    Year: 1912
    Country: Congo (RDC)
  • Sample n°297 : massive ore
    Minerals: CHALCOCITE MALACHITE
    Year: 1912
    Country: Congo (RDC)
  • Sample n°301 : small clear crystals
    Minerals: QUARTZ
    Year: 1912
    Country: Congo (RDC)
  • Sample n°303 : pieces with earthy yellow coatings (natrojarosite)
    Minerals: GYPSUM NATROJAROSITE
    Year: 1904
    Country: Congo (RDC)
  • Sample n°309 : garnet rhombododecahedrons (1 cm), black tourmaline needles
    Minerals: GARNET TOURMALINE
    Year: 1912
    Country: Congo (RDC)
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