Mineralogy Database

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6 samples matching your criteria

  • Sample n°813 : massive
    Minerals: CALCITE
    Year: 1932
    Country: Congo (RDC)
  • Sample n°814 : specular plates impregnating the rock
    Minerals: HEMATITE
    Year: 1932
    Country: Congo (RDC)
  • Sample n°815 : massive ochre block
    Minerals: HEMATITE
    Year: 1932
    Country: Congo (RDC)
  • Sample n°816 : bed of parallel crystals
    Minerals: GYPSUM
    Year: 1932
    Country: Congo (RDC)
  • Sample n°818 : fine-grained crystallisation in cavernous rock
    Minerals: MALACHITE QUARTZ
    Year: 1932
    Country: Congo (RDC)
  • Sample n°837 : massive, specular
    Minerals: HEMATITE
    Year: 1933
    Country: Congo (RDC)
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