Mineralogy Database

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7938 samples matching your criteria

  • Sample n°764 : purple earthy material
    Minerals: HEMATITE
    Year: 1919
    Country: Congo (RDC)
  • Sample n°767 : disseminated in cavernous quartz
    Minerals: GOLD QUARTZ
    Year: 1926
    Country: Congo (RDC)
  • Sample n°768 : coating on smoky quartz
    Minerals: GOLD QUARTZ
    Year: 1926
    Country: Congo (RDC)
  • Sample n°769 : debris on lava
    Minerals: SULPHUR
    Year: 1926
    Country: Congo (RDC)
  • Sample n°771 : debris
    Minerals: HEMATITE
    Year: 1918
    Country: Congo (RDC)
  • Sample n°773 : siliceous laterite
    Minerals: GOETHITE
    Year: 1925
    Country: Congo (RDC)
  • Sample n°775 : massive galena, in quartz and iron oxides
    Minerals: GALENA GOETHITE QUARTZ
    Year: 1927
    Country: Congo (RDC)
  • Sample n°778 : masive block (8 cm)
    Minerals: GALENA QUARTZ
    Year: 1927
    Country: Congo (RDC)
  • Sample n°780 : coarse crystals, in matrix of quartz and ochreous material
    Minerals: GALENA
    Year: 1927
    Country: Congo (RDC)
  • Sample n°781 : crystals in quartz and ochrous material
    Minerals: GOETHITE GALENA CALCITE QUARTZ
    Year: 1927
    Country: Congo (RDC)
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