Mineralogy Database

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442 samples matching your criteria

  • Sample n°2448 : concentrate
    Minerals: MAGNETITE
    Year: 1937
    Country: Congo (RDC)
  • Sample n°2453 : bladed plates (5 cm) in limestone
    Minerals: GYPSUM
    Year: 1937
    Country: Congo (RDC)
  • Sample n°2457 : stacked rust-coloured plates (20 cm)
    Minerals: KYANITE
    Year: 1937
    Country: Congo (RDC)
  • Sample n°2458 : debris of crystals
    Minerals: GYPSUM
    Year: 1937
    Country: Congo (RDC)
  • Sample n°2468 : zoned chalcedony with geodes of microcrystalline quartz
    Minerals: CHALCEDONY (quartz) QUARTZ
    Year: 1937
    Country: Congo (RDC)
  • Sample n°2876 : altered cubic pyrite crystals (2 cm)
    Minerals: HEMATITE
    Year: 1948
    Country: Congo (RDC)
  • Sample n°2878 : cave pearl
    Minerals: CALCITE
    Year: 1950
    Country: Congo (RDC)
  • Sample n°2974 : rust-coloured prismatic crystal (5 cm)
    Minerals: QUARTZ
    Year:
    Country: Congo (RDC)
  • Sample n°2975 : clear prismatic crystals (3 cm)
    Minerals: QUARTZ
    Year: 1931
    Country: Congo (RDC)
  • Sample n°2976 : stacked tabular crystals
    Minerals: BARYTE
    Year:
    Country: Congo (RDC)
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