Mineralogy Database

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6 samples matching your criteria

  • Sample n°13199 : large stalactitic block
    Minerals: PYROLUSITE
    Year: 1974
    Country: Congo (RDC)
  • Sample n°13200 : thick crust
    Minerals: CRYPTOMELANE
    Year: 1974
    Country: Congo (RDC)
  • Sample n°13201 : massive
    Minerals: CRYPTOMELANE
    Year: 1974
    Country: Congo (RDC)
  • Sample n°13202 : thick dull black coating, nodular
    Minerals: PYROLUSITE
    Year: 1974
    Country: Congo (RDC)
  • Sample n°14422 : sample with cubic uraninite crystals
    Minerals: URANINITE
    Year: 1986
    Country: Congo (RDC)
  • Sample n°14423 : sample with yellow crystals and nodules
    Minerals: URANINITE URANOPHANE
    Year: 1986
    Country: Congo (RDC)
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