Mineralogy Database

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3 samples matching your criteria

  • Sample n°804 : large biotite crystals
    Minerals: BIOTITE FELDSPAR
    Year: 1930
    Country: Congo (RDC)
  • Sample n°805 : pink block
    Minerals: MICROCLINE
    Year: 1930
    Country: Congo (RDC)
  • Sample n°806 : clear block
    Minerals: QUARTZ
    Year: 1930
    Country: Congo (RDC)
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