Mineralogy Database

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250 samples matching your criteria

  • Sample n°523 : geode
    Minerals: MALACHITE
    Year: 1898
    Country: Congo (Congo-Brazzaville)
  • Sample n°586 : small crear crystals
    Minerals: QUARTZ HEMATITE
    Year: 1913
    Country: Congo (Congo-Brazzaville)
  • Sample n°591 : geodic blocks with nodules
    Minerals: MALACHITE
    Year: 1913
    Country: Congo (Congo-Brazzaville)
  • Sample n°1120 : small crystals in geodic block
    Minerals: DIOPTASE
    Year: 1933
    Country: Congo (Congo-Brazzaville)
  • Sample n°1554 : fulgurites
    Minerals: unspecified
    Year: 1938
    Country: Congo (Congo-Brazzaville)
  • Sample n°1880 : green fibro-radial mass (1 cm) on limestone
    Minerals: VARISCITE
    Year:
    Country: Congo (Congo-Brazzaville)
  • Sample n°2462 : crystals (mm)
    Minerals: PYRITE
    Year: 1938
    Country: Congo (Congo-Brazzaville)
  • Sample n°2463 : massive, with cleavage
    Minerals: HEMATITE
    Year: 1938
    Country: Congo (Congo-Brazzaville)
  • Sample n°2464 : stalagmite
    Minerals: CALCITE
    Year: 1938
    Country: Congo (Congo-Brazzaville)
  • Sample n°2541 : large single tabular crystal
    Minerals: WULFENITE
    Year: 1949
    Country: Congo (Congo-Brazzaville)
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