Mineralogy Database

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371 samples matching your criteria

  • Sample n°658 : vitreous mass with conchoidal fractures (chrysocolla), shiny light blue nodules (katangite)
    Minerals: CHRYSOCOLLA KATANGITE (plancheite)
    Year: 1922
    Country: Congo (RDC)
  • Sample n°659 : within dolomitic breccia
    Minerals: CHALCOCITE MICA
    Year: 1926
    Country: Congo (RDC)
  • Sample n°660 : black mass with green crust
    Minerals: HETEROGENITE MALACHITE
    Year: 1926
    Country: Congo (RDC)
  • Sample n°661 : shiny black core (tenorite), surrounded by Cu-silicate crusts
    Minerals: TENORITE CHRYSOCOLLA DIOPTASE KATANGITE (plancheite) PLANCHEITE
    Year: 1926
    Country: Congo (RDC)
  • Sample n°665 : olive powder (volborthite), dark green impregnative rosettes (malachite)
    Minerals: VOLBORTHITE MALACHITE
    Year: 1926
    Country: Congo (RDC)
  • Sample n°666 : black mass, with polished section
    Minerals: BORNITE CHALCOCITE SPHALERITE CHALCOPYRITE
    Year: 1926
    Country: Congo (RDC)
  • Sample n°667 : green-blue fibres (aurichalcite), white acicular crystals (smithsonite)
    Minerals: AURICHALCITE MALACHITE SMITHSONITE
    Year: 1926
    Country: Congo (RDC)
  • Sample n°668 : colourless crystalline material (hemimorphite), pseudomalachite coatings
    Minerals: HEMIMORPHITE MALACHITE PSEUDOMALACHITE
    Year: 1926
    Country: Congo (RDC)
  • Sample n°669 : yellowish grey crust (pseudomalachite) on yellow powder (beaverite)
    Minerals: BEAVERITE PSEUDOMALACHITE PYROMORPHITE
    Year: 1926
    Country: Congo (RDC)
  • Sample n°670 : bright green fine-grained material (halloysite)
    Minerals: HALLOYSITE MALACHITE
    Year: 1926
    Country: Congo (RDC)
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