Mineralogy Database

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7938 samples matching your criteria

  • Sample n°7112 : dark brown earthy block
    Minerals: MANGANESE OXIDES
    Year: 1951
    Country: Congo (RDC)
  • Sample n°7114 : altered cubic pyrite crystals (1-2 cm)
    Minerals: HEMATITE
    Year:
    Country: Congo (RDC)
  • Sample n°7119 : altered twinned cubic pyrite crystals
    Minerals: HEMATITE
    Year:
    Country: Congo (RDC)
  • Sample n°7125 : spots in limestone
    Minerals: BORNITE
    Year:
    Country: Congo (RDC)
  • Sample n°7126 : massive and specular
    Minerals: HEMATITE
    Year: 1959
    Country: Congo (RDC)
  • Sample n°7127 : hematite with bright striated surface
    Minerals: HEMATITE
    Year: 1959
    Country: Congo (RDC)
  • Sample n°7128 : debris
    Minerals: HEMATITE
    Year: 1959
    Country: Congo (RDC)
  • Sample n°7129 : vein quartz with striation due to sliding
    Minerals: QUARTZ
    Year:
    Country: Congo (RDC)
  • Sample n°7136 : spots on porous siliceous rock
    Minerals: MALACHITE CALCITE
    Year:
    Country: Congo (RDC)
  • Sample n°7139 : mixed crust
    Minerals: CHERVETITE MOTTRAMITE BRACKEBUSCHITE
    Year:
    Country: Congo (RDC)
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