Mineralogy Database

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3 samples matching your criteria

  • Sample n°1805 : altered black plate-shaped crystals (10 cm)
    Minerals: BIOTITE
    Year:
    Country: Congo (RDC)
  • Sample n°2009 : crystals (5 mm) in debris of greisen
    Minerals: CASSITERITE
    Year:
    Country: Congo (RDC)
  • Sample n°4798 : concentrate (5 mm)
    Minerals: COLUMBITE
    Year: 1955
    Country: Congo (RDC)
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