Mineralogy Database

Search |  About the mineralogy database |  Contact

402 samples matching your criteria

  • Sample n°9670 : grey vein quartz (10 cm)
    Minerals: QUARTZ
    Year:
    Country: Rwanda
  • Sample n°9687 : stacked green plates (13 cm)
    Minerals: MUSCOVITE
    Year:
    Country: Rwanda
  • Sample n°9688 : pegmatite
    Minerals: MUSCOVITE QUARTZ
    Year:
    Country: Rwanda
  • Sample n°9690 : fibrous clayey debris (muscovite, var. illite)
    Minerals: MUSCOVITE
    Year:
    Country: Rwanda
  • Sample n°9691 : bronze-coloured altered micaceous material (7 cm)
    Minerals: SIDEROPHYLLITE MUSCOVITE
    Year:
    Country: Rwanda
  • Sample n°9692 : pink clayey block (8 cm)
    Minerals: KAOLINITE
    Year:
    Country: Rwanda
  • Sample n°9694 : sample composed of concentratre of yellow-red microlite with greasy lustre, dark brown columbite
    Minerals: MICROLITE COLUMBITE
    Year: 1962
    Country: Rwanda
  • Sample n°10061 : massive amethyst on dolerite
    Minerals: AMETHYST (quartz)
    Year: 1964
    Country: Congo (RDC)
  • Sample n°10062 : geode of clear prismatic crystals on massive chalcedony
    Minerals: QUARTZ CHALCEDONY (quartz)
    Year: 1964
    Country: Congo (RDC)
  • Sample n°10063 : group of clear and red prismatic crystals
    Minerals: QUARTZ
    Year: 1964
    Country: Congo (RDC)
Previous page