Mineralogy Database

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141 samples matching your criteria

  • Sample n°6349 : concentrate
    Minerals: MAGNETITE
    Year:
    Country: Congo (RDC)
  • Sample n°6503 : black octahedral crystals (5 mm) in quartzite
    Minerals: MAGNETITE
    Year: 1948
    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°6589 : banded iron formation, with grey and red layers
    Minerals: HEMATITE MAGNETITE
    Year: 1957
    Country: Congo (RDC)
  • Sample n°6590 : banded iron formation, with black and pink layers, folded
    Minerals: HEMATITE MAGNETITE
    Year: 1957
    Country: Congo (RDC)
  • Sample n°6593 : banded iron formation, with black and brown layers
    Minerals: HEMATITE MAGNETITE
    Year: 1957
    Country: Congo (RDC)
  • Sample n°6595 : banded iron formation
    Minerals: HEMATITE MAGNETITE
    Year: 1957
    Country: Congo (RDC)
  • Sample n°6757 : small white brucite crystals, pale blue dolomite crystals
    Minerals: BRUCITE DOLOMITE MAGNETITE SERPENTINE
    Year: 1954
    Country: USA
  • Sample n°6763 : granular black block
    Minerals: MAGNETITE
    Year:
    Country: South Africa
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