Mineralogy Database

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26 samples matching your criteria

  • Sample n°10863 : bright black coating on vein quartz
    Minerals: GRAPHITE QUARTZ
    Year: 1930
    Country: Congo (RDC)
  • Sample n°11063 : fragment with horizontal banding
    Minerals: GRAPHITE
    Year: 1966
    Country: South Africa
  • Sample n°11344 : black mica-like lamellae in gneiss
    Minerals: GRAPHITE
    Year: 1967
    Country: Madagascar
  • Sample n°12552 : bright coating on rock substrate
    Minerals: GRAPHITE
    Year: 1923
    Country: Angola
  • Sample n°12607 : black metallic
    Minerals: GRAPHITE
    Year: 1971
    Country: Tanzania
  • Sample n°12739 : black earthy blocks
    Minerals: GRAPHITE
    Year: 1971
    Country: Congo (RDC)
  • 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)
  • Sample n°12756 : black graphite on quartz vein
    Minerals: GRAPHITE
    Year: 1971
    Country: Congo (RDC)
  • Sample n°14115 : small plates in schist
    Minerals: GRAPHITE
    Year: 1984
    Country: Tanzania
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