Mineralogy Database

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292 samples matching your criteria

  • Sample n°20356 : mineralized fragments
    Minerals: TOURMALINE
    Year:
    Country: Congo (RDC)
  • Sample n°20419 : white aggregates in biotite-rich matrix with long tourmaline crystals
    Minerals: BIOTITE FELDSPAR TOURMALINE
    Year: 2025
    Country: Congo (RDC)