Mineralogy Database

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105 samples matching your criteria

  • Sample n°2482 : small geodes in quartzite
    Minerals: CHALCEDONY (quartz) QUARTZ
    Year:
    Country: Congo (RDC)
  • Sample n°2483 : concretionary geodic block
    Minerals: CHALCEDONY (quartz) QUARTZ
    Year:
    Country: Congo (RDC)
  • Sample n°2484 : concretionary geodic block
    Minerals: CHALCEDONY (quartz) QUARTZ
    Year:
    Country: Congo (RDC)
  • Sample n°3128 : sample with autunite covered by chalcedony, on micaschist with tourmaline
    Minerals: CHALCEDONY (quartz) AUTUNITE TOURMALINE
    Year: 1952
    Country: Congo (RDC)
  • Sample n°3187 : red veinlet in quartz
    Minerals: CHALCEDONY (quartz) QUARTZ
    Year: 1947
    Country: Congo (RDC)
  • Sample n°3326 : sorted concentrates
    Minerals: ANDALUSITE GARNET ILMENITE MAGNETITE CHALCEDONY (quartz) KYANITE STAUROLITE QUARTZ TOURMALINE CHRYSOBERYL
    Year:
    Country: Congo (RDC)
  • Sample n°3520 : pink material on iron-bearing rock
    Minerals: CHALCEDONY (quartz) QUARTZ
    Year:
    Country: Congo (RDC)
  • Sample n°3527 : veined green block
    Minerals: CHALCEDONY (quartz) QUARTZ
    Year:
    Country: Congo (RDC)
  • Sample n°3535 : sample with long prismatic uranophane-beta crystals, uraninite nodules, traces of meta-autunite
    Minerals: META-AUTUNITE PYRITE URANINITE URANOPHANE-BETA CHALCEDONY (quartz)
    Year: 1953
    Country: France
  • Sample n°3536 : sample with well-developed beige parsonsite crystals, smoky quartz
    Minerals: PARSONSITE CHALCEDONY (quartz) METATORBERNITE QUARTZ
    Year: 1953
    Country: France