Mineralogy Database

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8 samples matching your criteria

  • Sample n°1062 : geodic rock with white quartz with dioptase spots, green crust (volborthite) and bright black needles (vesignieite)
    Minerals: CHALCEDONY (quartz) QUARTZ VESIGNIEITE DIOPTASE VOLBORTHITE
    Year: 1910
    Country: Congo (RDC)
  • Sample n°12317 : olive-green micaceous material on fragment (5 cm)
    Minerals: VESIGNIEITE
    Year: 1969
    Country: Czech Republic
  • Sample n°14083 : olive-yellow vesignieite crust, pale blue katangite nodules
    Minerals: VESIGNIEITE KATANGITE (plancheite) MALACHITE
    Year: 1984
    Country: Congo (RDC)
  • Sample n°14151 : olive-yellow crust and centres of nodules (katangite), in oxidised rock matrix
    Minerals: VESIGNIEITE KATANGITE (plancheite) MALACHITE
    Year: 1984
    Country: Congo (RDC)
  • Sample n°14330 : purplish black nodules to olive-coloured powder
    Minerals: VESIGNIEITE MALACHITE
    Year: 1985
    Country: Congo (RDC)
  • Sample n°14460 : vesignieite aggregate on plancheite coating
    Minerals: VESIGNIEITE KATANGITE (plancheite)
    Year:
    Country: Congo (RDC)
  • Sample n°14386 : dark green vesignieite crystals, on thick malachite coating
    Minerals: VESIGNIEITE MALACHITE
    Year: 1986
    Country: Congo (RDC)
  • Sample n°14387 : thin discontinuous coating, well-developed crystals
    Minerals: VESIGNIEITE
    Year: 1986
    Country: Congo (RDC)