Mineralogy Database

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7938 samples matching your criteria

  • Sample n°933 : massive, red
    Minerals: HEMATITE
    Year:
    Country: Congo (RDC)
  • Sample n°934 : massive black crust and impregnation
    Minerals: PYROLUSITE QUARTZ
    Year:
    Country: Congo (RDC)
  • Sample n°935 : specular, massive
    Minerals: HEMATITE
    Year:
    Country: Congo (RDC)
  • Sample n°937 : vein of oxidised chalcocite
    Minerals: MALACHITE CHALCOCITE
    Year:
    Country: Congo (RDC)
  • Sample n°939 : botroidal crust
    Minerals: MALACHITE KATANGITE (plancheite) TENORITE
    Year: 1933
    Country: Congo (RDC)
  • Sample n°940 : bright black blocks (7 cm)
    Minerals: HEMATITE
    Year:
    Country: Congo (RDC)
  • Sample n°941 : debris
    Minerals: CHALCOPYRITE
    Year: 1936
    Country: Congo (RDC)
  • Sample n°943 : cuprite veins
    Minerals: CUPRITE MALACHITE
    Year:
    Country: Congo (RDC)
  • Sample n°944 : bort (14 carat)
    Minerals: DIAMOND
    Year: 1936
    Country: Congo (RDC)
  • Sample n°945 : dark blue fibro-radial nodule (plancheite)
    Minerals: PLANCHEITE KATANGITE (plancheite) MALACHITE
    Year: 1936
    Country: Congo (RDC)
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