Mineralogy Database

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250 samples matching your criteria

  • Sample n°33 : block (5 cm), specular
    Minerals: SPHALERITE
    Year: 1897
    Country: Congo (Congo-Brazzaville)
  • Sample n°38 : nodules and geodes in iron-rich rock
    Minerals: MALACHITE
    Year: 1898
    Country: Congo (Congo-Brazzaville)
  • Sample n°112 : oxidised ore
    Minerals: CHALCOCITE MALACHITE
    Year: 1898
    Country: Congo (Congo-Brazzaville)
  • Sample n°114 : debris
    Minerals: MALACHITE
    Year: 1898
    Country: Congo (Congo-Brazzaville)
  • Sample n°116 : massive block
    Minerals: CHALCOCITE
    Year: 1898
    Country: Congo (Congo-Brazzaville)
  • Sample n°119 : cleaved blocks
    Minerals: GALENA
    Year: 1898
    Country: Congo (Congo-Brazzaville)
  • Sample n°120 : cleaved blocks
    Minerals: GALENA
    Year: 1898
    Country: Congo (Congo-Brazzaville)
  • Sample n°121 : massive ore
    Minerals: CHALCOCITE
    Year: 1898
    Country: Congo (Congo-Brazzaville)
  • Sample n°431 : massive block and crystals (3 mm)
    Minerals: DIOPTASE QUARTZ
    Year:
    Country: Congo (Congo-Brazzaville)
  • Sample n°520 : earthy reddish brown block
    Minerals: GOETHITE
    Year: 1913
    Country: Congo (Congo-Brazzaville)
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