Mineralogy Database

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330 samples matching your criteria

  • Sample n°1061 : brown rock with pale blue veins and dark blue needles
    Minerals: HEMATITE
    Year: 1910
    Country: Congo (RDC)
  • Sample n°1062 : geodic rock with white quartz with dioptase spots, green crust (volborthite) and bright black needles (vesignieite)
    Minerals: CHALCEDONY (quartz) QUARTZ VESIGNIEITE DIOPTASE VOLBORTHITE
    Year: 1910
    Country: Congo (RDC)
  • Sample n°1063 : geode of white and blue quartz, malachite fibres, blue veins (shattuckite), olive-green crust (volborthite)
    Minerals: MALACHITE QUARTZ SHATTUCKITE VOLBORTHITE
    Year: 1910
    Country: Congo (RDC)
  • Sample n°1064 : rock with black silex, grey geodes (chalcedony), layers of blue fibro-radial plancheite
    Minerals: CHALCEDONY (quartz) PLANCHEITE QUARTZ
    Year: 1910
    Country: Congo (RDC)
  • Sample n°1066 : bluish geodes in massive hematite
    Minerals: CHALCEDONY (quartz) HEMATITE
    Year:
    Country: Congo (RDC)
  • Sample n°1067 : block covered with pistachio-green crystals (close to hedyphane composition)
    Minerals: MIMETITE
    Year: 1937
    Country: Congo (RDC)
  • Sample n°1068 : disseminated in schistose dolomite
    Minerals: GALENA
    Year: 1936
    Country: Congo (RDC)
  • Sample n°1069 : disseminated in schistose dolomite
    Minerals: GALENA
    Year: 1936
    Country: Congo (RDC)
  • Sample n°1070 : disseminated in limestone
    Minerals: GALENA
    Year: 1938
    Country: Congo (RDC)
  • Sample n°1071 : impregnations on sandstone
    Minerals: MALACHITE
    Year:
    Country: Congo (RDC)
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