Mineralogy Database

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7938 samples matching your criteria

  • Sample n°1078 : banded multicoloured fragments
    Minerals: AGATE (quartz) CHALCEDONY (quartz)
    Year: 1936
    Country: Congo (RDC)
  • Sample n°1079 : black tabular crystals in rock
    Minerals: MUSCOVITE WOLFRAMITE MALACHITE QUARTZ
    Year: 1936
    Country: Congo (RDC)
  • Sample n°1080 : fragments and debris
    Minerals: CHALCEDONY (quartz) QUARTZ
    Year: 1938
    Country: Congo (RDC)
  • Sample n°1086 : small reniform concretionary blocks
    Minerals: CHALCOPYRITE
    Year: 1938
    Country: Congo (RDC)
  • Sample n°1090 : uraninite substrate with thick heterogeneous alteration crust, with abundant vandenbrandeite
    Minerals: CUPROSKLODOWSKITE VANDENBRANDEITE KASOLITE URANINITE
    Year: 1938
    Country: Congo (RDC)
  • Sample n°1094 : clear crystals (2-5 cm)
    Minerals: QUARTZ
    Year: 1938
    Country: Congo (RDC)
  • Sample n°1095 : debris of black crystals (tourmaline), whie metallic material (bismuth)
    Minerals: TOURMALINE BISMUTH
    Year: 1938
    Country: Congo (RDC)
  • Sample n°1098 : concentrate of minerals associated with diamond
    Minerals: DIOPSIDE GARNET ILMENITE
    Year: 1938
    Country: Congo (RDC)
  • Sample n°1105 : purple concentrate
    Minerals: GARNET
    Year: 1938
    Country: Congo (RDC)
  • Sample n°1114 : oxidised material
    Minerals: CHALCOCITE MALACHITE
    Year: 1938
    Country: Congo (RDC)
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