Mineralogy Database

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1091 samples matching your criteria

  • Sample n°809 : clear prismatic crystals (3 cm)
    Minerals: QUARTZ
    Year: 1930
    Country: Congo (RDC)
  • Sample n°818 : fine-grained crystallisation in cavernous rock
    Minerals: MALACHITE QUARTZ
    Year: 1932
    Country: Congo (RDC)
  • Sample n°858 : clear prismatic crystals (1-2 cm)
    Minerals: QUARTZ
    Year: 1934
    Country: Rwanda
  • Sample n°864 : debris
    Minerals: CHALCEDONY (quartz) QUARTZ
    Year: 1934
    Country: Rwanda
  • Sample n°865 : speckes in vein quartz
    Minerals: CHALCOPYRITE QUARTZ
    Year: 1934
    Country: Congo (RDC)
  • Sample n°868 : thin vein in quartz
    Minerals: GALENA QUARTZ
    Year: 1934
    Country: Congo (RDC)
  • Sample n°871 : gold on cavernous quartz
    Minerals: GOLD QUARTZ
    Year: 1934
    Country: Congo (RDC)
  • Sample n°905 : hollow ball
    Minerals: QUARTZ
    Year:
    Country: Congo (RDC)
  • Sample n°918 : malachite mixed with quartz
    Minerals: MALACHITE QUARTZ
    Year:
    Country: Congo (RDC)
  • Sample n°920 : zoned crust on breccious rock
    Minerals: MALACHITE GOETHITE QUARTZ
    Year:
    Country: Congo (RDC)
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