Mineralogy Database

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1097 samples matching your criteria

  • Sample n°6494 : specular hematite on quartz
    Minerals: HEMATITE QUARTZ
    Year:
    Country: Congo (RDC)
  • Sample n°6496 : black ore
    Minerals: MANGANESE OXIDES QUARTZ
    Year:
    Country: Congo (RDC)
  • Sample n°6501 : specular tabular crystals on vein quartz
    Minerals: HEMATITE QUARTZ
    Year:
    Country: Congo (RDC)
  • Sample n°6507 : crystalline material on vein quartz
    Minerals: PYRITE QUARTZ SULPHUR
    Year:
    Country: Congo (Congo-Brazzaville)
  • Sample n°6508 : black needles (cm) in quartz
    Minerals: TOURMALINE QUARTZ
    Year:
    Country: Congo (RDC)
  • Sample n°6511 : small black anhedral crystals
    Minerals: TOURMALINE QUARTZ
    Year:
    Country: Congo (RDC)
  • Sample n°6512 : pegmatite with quartz
    Minerals: TOURMALINE MUSCOVITE QUARTZ
    Year:
    Country: Congo (RDC)
  • Minerals: QUARTZ
    Year:
    Country: Congo (RDC)
  • Sample n°6516 : large vitreous fragment
    Minerals: QUARTZ
    Year:
    Country: Congo (RDC)
  • Sample n°6537 : bright crystals in geode
    Minerals: QUARTZ
    Year:
    Country: Congo (RDC)