Mineralogy Database

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18 samples matching your criteria

  • Sample n°13 : mixed debris
    Minerals: HEMATITE MAGNETITE
    Year: 1897
    Country: Congo (RDC)
  • Sample n°25 : fine mixed debris
    Minerals: HEMATITE MAGNETITE PYRITE
    Year: 1897
    Country: Congo (RDC)
  • Sample n°26 : massive purple matrix, geode with tabular crystals, specular
    Minerals: HEMATITE
    Year:
    Country: Congo (RDC)
  • Sample n°251 : concretionary cave deposits
    Minerals: CALCITE
    Year: 1905
    Country: Congo (RDC)
  • Sample n°406 : concretion within geode
    Minerals: CHALCEDONY (quartz) QUARTZ
    Year: 1910
    Country: Congo (RDC)
  • Sample n°1406 : concretionary chalcedony
    Minerals: CHALCEDONY (quartz)
    Year:
    Country: Congo (RDC)
  • Sample n°1407 : nice banded concretion
    Minerals: CHALCEDONY (quartz) QUARTZ
    Year:
    Country: Congo (RDC)
  • Sample n°21 : chlorite on quartz
    Minerals: CHLORITE
    Year: 1897
    Country: Congo (RDC)
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