Mineralogy Database

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93 samples matching your criteria

  • Sample n°160 : pseudomorphs after pentagonal dodecahedral pyrite (2 cm)
    Minerals: GOETHITE QUARTZ
    Year: 1901
    Country: Congo (RDC)
  • Sample n°161 : pseudomorphs after pyrite on quartz
    Minerals: GOETHITE QUARTZ
    Year: 1901
    Country: Congo (RDC)
  • Sample n°162 : pseudomorphs after pyrite in vein quartz
    Minerals: GOETHITE QUARTZ
    Year: 1901
    Country: Congo (RDC)
  • Sample n°163 : vein quartz
    Minerals: QUARTZ
    Year: 1901
    Country: Congo (RDC)
  • Sample n°164 : rounded block
    Minerals: HEMATITE
    Year: 1901
    Country: Congo (RDC)
  • Sample n°165 : massive
    Minerals: HEMATITE GOETHITE
    Year: 1901
    Country: Congo (RDC)
  • Sample n°166 : reddish brown earthy mass
    Minerals: HEMATITE
    Year: 1901
    Country: Congo (RDC)
  • Sample n°167 : impregnations in vesicular rock
    Minerals: HEMATITE MAGNETITE
    Year: 1901
    Country: Congo (RDC)
  • Sample n°168 : crust on quartzite
    Minerals: MAGNETITE
    Year: 1901
    Country: Congo (RDC)
  • Sample n°169 : steel-grey crust on quartz in ferruginous substrate
    Minerals: HEMATITE
    Year: 1901
    Country: Congo (RDC)
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