Mineralogy Database

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456 samples matching your criteria

  • Sample n°7036 : porous debris (2 cm)
    Minerals: FERBERITE
    Year: 1959
    Country: Congo (RDC)
  • Sample n°7055 : concentrate (6-10 mm)
    Minerals: COLUMBITE
    Year:
    Country: Congo (RDC)
  • Sample n°7191 : cross-shaped twinning (2-4 cm)
    Minerals: STAUROLITE
    Year:
    Country: Congo (RDC)
  • Sample n°7192 : crust with undulating surface (1 cm thickness)
    Minerals: GOETHITE
    Year:
    Country: Congo (RDC)
  • Sample n°7929 : debris of pegmatite
    Minerals: FLUORITE MUSCOVITE QUARTZ
    Year:
    Country: Congo (RDC)
  • Sample n°7931 : black crystals with bright cleavage planes in breccia
    Minerals: WOLFRAMITE
    Year:
    Country: Congo (RDC)
  • Sample n°7932 : black discontinuous vein in greisen
    Minerals: CASSITERITE
    Year:
    Country: Congo (RDC)
  • Sample n°7976 : yellow varlamoffite in vein quartz
    Minerals: CASSITERITE VARLAMOFFITE QUARTZ
    Year:
    Country: Congo (RDC)
  • Sample n°7977 : mixed black and yellow crystalline crust
    Minerals: CASSITERITE SPODUMENE TOPAZ
    Year:
    Country: Congo (RDC)
  • Sample n°7978 : black needles (2 cm) in white micaschist
    Minerals: TOURMALINE
    Year:
    Country: Congo (RDC)