Mineralogy Database

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56 samples matching your criteria

  • Sample n°17930 : fibrous layered crust
    Minerals: CRYPTOMELANE
    Year: 2017
    Country: Congo (RDC)
  • Sample n°17933 : thick fine-laminar to massive crust
    Minerals: CRYPTOMELANE
    Year: 2017
    Country: Congo (RDC)
  • Sample n°17934 : massive crust
    Minerals: CRYPTOMELANE
    Year: 2017
    Country: Congo (RDC)
  • Sample n°17935 : complex stalactitic deposit
    Minerals: CRYPTOMELANE MANGANITE
    Year: 2017
    Country: Congo (RDC)
  • Sample n°17938 : nodular growth structure
    Minerals: CRYPTOMELANE
    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°17945 : highly porous core section
    Minerals: CRYPTOMELANE
    Year: 2017
    Country: Congo (RDC)
  • Sample n°17947 : nodular deposit
    Minerals: CRYPTOMELANE
    Year: 2017
    Country: Congo (RDC)
  • Sample n°17949 : block with complex patterns
    Minerals: CRYPTOMELANE
    Year: 2017
    Country: Congo (RDC)
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