Mineralogy Database

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2 samples matching your criteria

  • Sample n°12740 : black coatings in greisen
    Minerals: GRAPHITE
    Year: 1971
    Country: Congo (RDC)
  • Sample n°12742 : small veins (mm) in pegmatite
    Minerals: GRAPHITE
    Year: 1971
    Country: Congo (RDC)
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