Mineralogy Database

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1547 samples matching your criteria

  • Sample n°9665 : black prismatic crystal (1-3 cm) in quartz
    Minerals: SCHORL MUSCOVITE
    Year:
    Country: Rwanda
  • Sample n°9668 : black crystals (2 cm) in quartz
    Minerals: SCHORL QUARTZ
    Year:
    Country: Rwanda
  • Sample n°9669 : pegmatite (10 cm)
    Minerals: MUSCOVITE
    Year:
    Country: Rwanda
  • 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
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