Mineralogy Database

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7938 samples matching your criteria

  • Sample n°6509 : octahedral crystals in sandstone
    Minerals: MAGNETITE
    Year:
    Country: Congo (RDC)
  • Sample n°6510 : crystalline encrustations on rock
    Minerals: MAGNETITE HEMATITE
    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°6514 : dark green punctuations in rock
    Minerals: OTTRELITE
    Year:
    Country: Congo (RDC)
  • Sample n°6516 : large vitreous fragment
    Minerals: QUARTZ
    Year:
    Country: Congo (RDC)
  • Sample n°6517 : tourmalinite with quartz
    Minerals: TOURMALINE
    Year:
    Country: Congo (RDC)
  • Minerals: AMETHYST (quartz)
    Year:
    Country: Congo (RDC)
  • Sample n°6520 : massive olive-green epidote in granite
    Minerals: EPIDOTE
    Year:
    Country: Congo (RDC)