Mineralogy Database

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16 samples matching your criteria

  • Sample n°241 : desintegrated aggregate of black crystals
    Minerals: VIVIANITE
    Year: 1904
    Country: Congo (RDC)
  • Sample n°242 : concretions with the shape of tubes and branches
    Minerals: GOETHITE
    Year: 1905
    Country: Congo (RDC)
  • Sample n°3363 : white fulgurite debris
    Minerals: unspecified
    Year: 1935
    Country: Congo (RDC)
  • Sample n°3611 : reniform concretion in geode
    Minerals: CHALCEDONY (quartz) QUARTZ
    Year:
    Country: Congo (RDC)
  • Sample n°7068 : powder
    Minerals: VIVIANITE
    Year: 1959
    Country: Congo (RDC)
  • Sample n°8642 : white and beige fragments
    Minerals: AGATE (quartz) CHALCEDONY (quartz)
    Year: 1949
    Country: Congo (RDC)
  • Sample n°11281 : clayey mass (mountain leather)
    Minerals: PALYGORSKITE MONTMORILLONITE
    Year: 1966
    Country: Congo (RDC)
  • Sample n°11708 : mountain leather (50 cm)
    Minerals: PALYGORSKITE CALCITE MONTMORILLONITE
    Year: 1968
    Country: Congo (RDC)
  • Sample n°16836 : fine-grained calcite with palygorskite admixture and arkose fragments
    Minerals: PALYGORSKITE CALCITE
    Year: 2012
    Country: Congo (RDC)
  • Sample n°16840 : weathered arkose with palygorskite veins
    Minerals: PALYGORSKITE
    Year: 2012
    Country: Congo (RDC)
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