Mineralogy Database

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442 samples matching your criteria

  • Sample n°5971 : fibrous crust lining geode in white rock
    Minerals: WAVELLITE
    Year: 1937
    Country: Congo (RDC)
  • Sample n°6031 : black geodic conglomerate (50 cm)
    Minerals: MANGANESE OXIDES
    Year: 1968
    Country: Congo (RDC)
  • Sample n°6043 : white and green crystalline mass
    Minerals: MOTTRAMITE CHERVETITE
    Year: 1957
    Country: Congo (RDC)
  • Sample n°6108 : biotitite sample
    Minerals: BIOTITE
    Year: 1957
    Country: Congo (RDC)
  • Sample n°6109 : large plates in pegmatite
    Minerals: MUSCOVITE
    Year: 1957
    Country: Congo (RDC)
  • Sample n°6119 : highly altered blocks
    Minerals: PYRITE
    Year: 1957
    Country: Congo (RDC)
  • Sample n°6174 : galena disseminated in limestone
    Minerals: GALENA
    Year:
    Country: Congo (RDC)
  • Sample n°6401.1 : yellow coating on vein quartz
    Minerals: NONTRONITE
    Year: 1958
    Country: Congo (RDC)
  • Sample n°6401.2 : black crystals within geode in vein quartz
    Minerals: GALENA
    Year: 1958
    Country: Congo (RDC)
  • Sample n°6401.3 : specular hematite in vein quartz
    Minerals: HEMATITE
    Year: 1958
    Country: Congo (RDC)
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