Mineralogy Database

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4831 samples matching your criteria

  • Sample n°6481 : massive
    Minerals: HEMATITE
    Year:
    Country: Congo (RDC)
  • Sample n°6482 : group of roughly parallel well-developed crystals
    Minerals: QUARTZ
    Year:
    Country: Congo (RDC)
  • Sample n°6483 : massive in silicified rock
    Minerals: HEMATITE
    Year:
    Country: Congo (RDC)
  • Sample n°6509 : octahedral crystals in sandstone
    Minerals: MAGNETITE
    Year:
    Country: Congo (RDC)
  • Sample n°6510 : crystalline encrustations on rock
    Minerals: MAGNETITE HEMATITE
    Year:
    Country: Congo (RDC)
  • Sample n°6511 : small black anhedral crystals
    Minerals: TOURMALINE QUARTZ
    Year:
    Country: Congo (RDC)
  • Sample n°6512 : pegmatite with quartz
    Minerals: TOURMALINE MUSCOVITE QUARTZ
    Year:
    Country: Congo (RDC)
  • Sample n°6513 : coated
    Minerals: QUARTZ
    Year:
    Country: Congo (RDC)
  • Sample n°6581 : rust-coloured crystals in greisen
    Minerals: TOURMALINE
    Year:
    Country: Congo (RDC)
  • Sample n°6587 : purple coatings and aggregates on manganese ore substrate
    Minerals: VARISCITE
    Year:
    Country: Congo (RDC)
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