Mineralogy Database

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76 samples matching your criteria

  • Sample n°2639 : iridescent crust in sandstone
    Minerals: GOETHITE
    Year: 1948
    Country: Congo (Congo-Brazzaville)
  • Sample n°2640 : iridescent iron-rich crust
    Minerals: GOETHITE
    Year: 1948
    Country: Congo (Congo-Brazzaville)
  • Sample n°2905 : stratified ochrous iron-rich material
    Minerals: GOETHITE SIDERITE
    Year: 1948
    Country: Congo (Congo-Brazzaville)
  • Sample n°2906 : beige and white round aggregates, resembling pisolithic material
    Minerals: HEMIMORPHITE
    Year: 1949
    Country: Congo (Congo-Brazzaville)
  • Sample n°2934 : massive block
    Minerals: CHALCOCITE
    Year: 1948
    Country: Congo (Congo-Brazzaville)
  • Sample n°2621 : indigenous metallurgical product
    Minerals: LEAD
    Year:
    Country: Congo (Congo-Brazzaville)
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