Mineralogy Database

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14 samples matching your criteria

  • Sample n°17757 : blue crystals in rock matrix
    Minerals: TOURMALINE
    Year: 2017
    Country: Congo (RDC)
  • Sample n°19313 : pinkish and bluish crystals in quartz
    Minerals: TOURMALINE
    Year: 2020
    Country: Congo (RDC)
  • Sample n°20308 : concentrates
    Minerals: CASSITERITE
    Year: 2017
    Country: Congo (RDC)
  • Sample n°20309 : brown, with parallel structures
    Minerals: CASSITERITE
    Year: 2017
    Country: Congo (RDC)
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