Mineralogy Database

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4 samples matching your criteria

  • Sample n°8622 : red concentrate (5 mm), var. martite
    Minerals: HEMATITE
    Year: 1972
    Country: Congo (RDC)
  • Sample n°9895 : grey fibrous crystals (15 cm) in quartz
    Minerals: TOURMALINE QUARTZ
    Year:
    Country: Congo (RDC)
  • Sample n°18952 : fragments showing various iron oxide facies
    Minerals: HEMATITE MAGNETITE
    Year: 2019
    Country: Congo (RDC)
  • Sample n°18954 : quartz crystal fragments in iron oxide cement
    Minerals: QUARTZ
    Year: 2019
    Country: Congo (RDC)
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