Mineralogy Database

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7938 samples matching your criteria

  • Sample n°8630 : beige and black fragments
    Minerals: CASSITERITE SIMPSONITE
    Year:
    Country: Congo (RDC)
  • Sample n°8631 : small needles in pegmatite
    Minerals: TOURMALINE SIDERITE
    Year:
    Country: Congo (RDC)
  • Sample n°8633 : crystals in altered pegmatite
    Minerals: WOLFRAMITE
    Year:
    Country: Congo (RDC)
  • Sample n°8634 : long white prismatic crystals (8 cm) covered with iron oxides
    Minerals: DIOPSIDE
    Year:
    Country: Congo (RDC)
  • Sample n°8635 : sample with uraninite as impregnation of dolomite
    Minerals: URANINITE
    Year: 1960
    Country: Congo (RDC)
  • Sample n°8636 : no description available
    Minerals: CURITE
    Year: 1960
    Country: Congo (RDC)
  • Sample n°8641 : pisoliths (2-5 cm), with zoning
    Minerals: CALCITE
    Year: 1960
    Country: Congo (RDC)
  • Sample n°8642 : white and beige fragments
    Minerals: AGATE (quartz) CHALCEDONY (quartz)
    Year: 1949
    Country: Congo (RDC)
  • Sample n°8643 : stacked plates (10 cm)
    Minerals: MUSCOVITE
    Year: 1959
    Country: Congo (RDC)
  • Sample n°8662 : sulfide ore in calcareous gangue material
    Minerals: ARSENOPYRITE PYRITE SIDERITE
    Year: 1960
    Country: Congo (RDC)
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