Mineralogy Database

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3 samples matching your criteria

  • Sample n°20348 : crystals in granular quartz
    Minerals: TOURMALINE
    Year:
    Country: Congo (RDC)
  • Sample n°20349 : abundant fine-grained tourmaline in matrix
    Minerals: TOURMALINE
    Year:
    Country: Congo (RDC)
  • Sample n°20350 : coarse-crystalline brown material
    Minerals: DOLOMITE
    Year:
    Country: Congo (RDC)
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