Mineralogy Database

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4 samples matching your criteria

  • Sample n°1664 : ferruginous substrate with black coatings
    Minerals: GOETHITE MANGANESE OXIDES
    Year:
    Country: Congo (RDC)
  • Sample n°1697 : transparent plate (8 cm)
    Minerals: GYPSUM
    Year:
    Country: Congo (RDC)
  • Sample n°1699 : gypsum plates (20 cm) and yellow powder (natrojarosite)
    Minerals: GYPSUM NATROJAROSITE
    Year:
    Country: Congo (RDC)
  • Sample n°1700 : fibro-radial concretions
    Minerals: ARAGONITE
    Year:
    Country: Congo (RDC)