Mineralogy Database

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231 samples matching your criteria

  • Sample n°3069 : breccia cemented by chalcocite, with polished section
    Minerals: CHALCOCITE
    Year: 1951
    Country: Congo (RDC)
  • Sample n°3070 : crystalline rock
    Minerals: DOLOMITE
    Year:
    Country: Congo (RDC)
  • Sample n°3071 : massive specular hematite
    Minerals: HEMATITE
    Year: 1951
    Country: Congo (RDC)
  • Sample n°3072 : massive, with polished section
    Minerals: SPHALERITE
    Year: 1951
    Country: Congo (RDC)
  • Sample n°3073 : rhombohedron, and hexagonal prismatic crystal
    Minerals: CALCITE
    Year: 1951
    Country: Congo (RDC)
  • Sample n°3075 : malachite crystals, brown fibro-radial goethite nodules
    Minerals: MALACHITE GOETHITE
    Year: 1951
    Country: Congo (RDC)
  • Sample n°3076 : blue and purple, rounded
    Minerals: FLUORITE CALCITE
    Year: 1950
    Country: Congo (RDC)
  • Sample n°3077 : concretions (travertine)
    Minerals: CALCITE
    Year: 1951
    Country: Congo (RDC)
  • Sample n°3078 : massive block (10 cm), slightly botryoidal
    Minerals: HETEROGENITE
    Year: 1951
    Country: Congo (RDC)
  • Sample n°3079 : traces on rock substrate
    Minerals: CHALCOPYRITE MALACHITE
    Year: 1951
    Country: Congo (RDC)
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