Mineralogy Database

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7938 samples matching your criteria

  • Sample n°2976 : stacked tabular crystals
    Minerals: BARYTE
    Year:
    Country: Congo (RDC)
  • Sample n°2977 : crust of white prismatic-pyramidal crystals
    Minerals: QUARTZ
    Year: 1939
    Country: Congo (RDC)
  • Sample n°2978 : fragments (6 cm)
    Minerals: CORUNDUM
    Year:
    Country: Congo (RDC)
  • Sample n°2979 : concretionary block
    Minerals: GOETHITE
    Year: 1938
    Country: Congo (RDC)
  • Sample n°2981 : black (cassiterite) and yellow (varlamoffite) coatings
    Minerals: VARLAMOFFITE CASSITERITE
    Year:
    Country: Congo (RDC)
  • Sample n°2983 : rounded crystals
    Minerals: CASSITERITE
    Year:
    Country: Congo (RDC)
  • Sample n°2984 : twinned crystals (1 cm)
    Minerals: STAUROLITE
    Year: 1949
    Country: Congo (RDC)
  • Sample n°2985 : purplish prismatic crystals (5 cm) and crust of white prismatic crystals (2 cm)
    Minerals: QUARTZ AMETHYST (quartz)
    Year: 1949
    Country: Congo (RDC)
  • Sample n°2986 : stacked prismatic quartz crystals in geode, disseminated pyrite
    Minerals: QUARTZ PYRITE
    Year: 1949
    Country: Congo (RDC)
  • Sample n°2987 : powder on scoriaceous lava
    Minerals: SULPHUR SALAMMONIAC
    Year: 1949
    Country: Congo (RDC)
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