Mineralogy Database

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7938 samples matching your criteria

  • Sample n°662 : sample with yellow to green uranophane needles, bundles of grey rutherfordine crystals
    Minerals: URANOPHANE RUTHERFORDINE URANINITE
    Year: 1921
    Country: Congo (RDC)
  • Sample n°663 : sample with metatorbernite crystals
    Minerals: METATORBERNITE HETEROGENITE
    Year: 1921
    Country: Congo (RDC)
  • Sample n°664 : sample with yellow soddyite crystals and massive soddyite, massive curite, highly altered metatorbernite
    Minerals: SODDYITE CURITE METATORBERNITE
    Year: 1921
    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)
  • Sample n°671 : grey block
    Minerals: CASSITERITE
    Year: 1926
    Country: Congo (RDC)
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