Mineralogy Database

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1151 samples matching your criteria

  • Sample n°17940 : partly fibrous veins, in ferruginous substrate
    Minerals: MANGANESE OXIDES
    Year: 2017
    Country: Congo (RDC)
  • Sample n°17941 : complex deposit
    Minerals: MANGANESE OXIDES
    Year: 2017
    Country: Congo (RDC)
  • Sample n°17942 : thick uniform crust
    Minerals: CRYPTOMELANE
    Year: 2017
    Country: Congo (RDC)
  • Sample n°17943 : porous core sections
    Minerals: CRYPTOMELANE
    Year: 2017
    Country: Congo (RDC)
  • Sample n°17944 : crystals on partly stalactitic substrate
    Minerals: MANGANITE
    Year: 2017
    Country: Congo (RDC)
  • Sample n°17945 : highly porous core section
    Minerals: CRYPTOMELANE
    Year: 2017
    Country: Congo (RDC)
  • Sample n°17946 : coatings along complex pore system
    Minerals: MANGANITE
    Year: 2017
    Country: Congo (RDC)
  • Sample n°17947 : nodular deposit
    Minerals: CRYPTOMELANE
    Year: 2017
    Country: Congo (RDC)
  • Sample n°17948 : crystals on massive substrate
    Minerals: MANGANITE
    Year: 2017
    Country: Congo (RDC)
  • Sample n°17949 : block with complex patterns
    Minerals: CRYPTOMELANE
    Year: 2017
    Country: Congo (RDC)
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