Mineralogy Database

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2 samples matching your criteria

  • Sample n°12792 : block with black manganese oxides and brown opal
    Minerals: MANGANESE OXIDES OPAL
    Year: 1972
    Country: South Africa
  • Sample n°12794 : pink tabular crystals on rock substrate
    Minerals: EPHESITE
    Year: 1972
    Country: South Africa