Mineralogy Database

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4831 samples matching your criteria

  • Sample n°505 : rhombohedrons and green coatings
    Minerals: CALCITE DIOPTASE
    Year: 1924
    Country: Congo (RDC)
  • Sample n°506 : shiny nodules
    Minerals: CHRYSOCOLLA
    Year: 1924
    Country: Congo (RDC)
  • Sample n°595 : needle-shaped crystals in tourmalinite
    Minerals: TOURMALINE
    Year: 1899
    Country: Congo (RDC)
  • Sample n°629 : small fragments
    Minerals: CUPRITE MALACHITE TENORITE
    Year: 1925
    Country: Congo (RDC)
  • Sample n°630 : glassy, with conchoidal fractures
    Minerals: CHRYSOCOLLA
    Year: 1924
    Country: Congo (RDC)
  • Sample n°631 : sample with uranopohane as massive material with yellow veins
    Minerals: URANINITE
    Year: 1926
    Country: Congo (RDC)
  • Sample n°632 : sample with altered metatorbernite crystals
    Minerals: METATORBERNITE
    Year: 1926
    Country: Congo (RDC)
  • Sample n°633 : sample with yellow and orange needle-shaped curite crystals
    Minerals: CURITE
    Year: 1926
    Country: Congo (RDC)
  • Sample n°636 : green crust (malachite) covering nodules of blue crystals (azurite)
    Minerals: AZURITE MALACHITE
    Year: 1926
    Country: Congo (RDC)
  • Sample n°637 : sample with rutherfordine as yellow crust, massive curite
    Minerals: RUTHERFORDINE CURITE URANINITE
    Year: 1926
    Country: Congo (RDC)