Mineralogy Database

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379 samples matching your criteria

  • Sample n°12682 : stacked plate-shaped crystals in pegmatite, var. phengite
    Minerals: MUSCOVITE
    Year: 1971
    Country: Congo (RDC)
  • Sample n°12683 : black concentrate (5 mm)
    Minerals: COLUMBITE
    Year: 1971
    Country: Congo (RDC)
  • Sample n°12684 : brown concentrate (8 mm), with polished section
    Minerals: CASSITERITE
    Year: 1971
    Country: Congo (RDC)
  • Sample n°12685 : corroded black crystals (3 cm) in grey schist
    Minerals: ANDALUSITE
    Year: 1971
    Country: Congo (RDC)
  • Sample n°12686 : dark green needles in syenite
    Minerals: DIOPSIDE
    Year: 1971
    Country: Congo (RDC)
  • Sample n°12687 : crystalline plates (4 cm)
    Minerals: CASSITERITE
    Year: 1970
    Country: Congo (RDC)
  • Sample n°12688 : white topaz crystals (2 cm), varlamoffite as yellow powder
    Minerals: TOPAZ MUSCOVITE VARLAMOFFITE
    Year: 1971
    Country: Congo (RDC)
  • Sample n°12689 : massive black wolframite on quartz
    Minerals: WOLFRAMITE
    Year: 1971
    Country: Congo (RDC)
  • Sample n°12690 : green crystals as nodular mass in quartz
    Minerals: MUSCOVITE
    Year: 1971
    Country: Congo (RDC)
  • Sample n°12691 : black fragments (1-5 cm)
    Minerals: COLUMBITE
    Year: 1972
    Country: Congo (RDC)
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