Mineralogy Database

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9 samples matching your criteria

  • Sample n°1765 : pyrite concretions, geodes with bright malachite crystals
    Minerals: PYROLUSITE MANGANITE
    Year:
    Country: Congo (RDC)
  • Sample n°1766 : concretionary
    Minerals: PYROLUSITE MANGANITE
    Year:
    Country: Congo (RDC)
  • Sample n°1767 : masive
    Minerals: PYROLUSITE
    Year:
    Country: Congo (RDC)
  • Sample n°1768 : concretionary
    Minerals: PYROLUSITE MANGANITE
    Year:
    Country: Congo (RDC)
  • Sample n°1769 : concretionary
    Minerals: PYROLUSITE
    Year:
    Country: Congo (RDC)
  • Sample n°1770 : concretionary
    Minerals: PYROLUSITE
    Year:
    Country: Congo (RDC)
  • Sample n°1771 : concretionary
    Minerals: PYROLUSITE
    Year:
    Country: Congo (RDC)
  • Sample n°1772 : concretionary
    Minerals: PYROLUSITE MANGANITE
    Year:
    Country: Congo (RDC)
  • Sample n°1774 : grey block, strongly altered
    Minerals: MANGANESE OXIDES
    Year:
    Country: Congo (RDC)
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