Mineralogy Database

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2 samples matching your criteria

  • Sample n°1777 : black and pink impregnations
    Minerals: VARISCITE MANGANESE OXIDES
    Year:
    Country: Congo (RDC)
  • Sample n°1779 : black minerals in micaceous pegmatite
    Minerals: MANGANESE OXIDES
    Year:
    Country: Congo (RDC)
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