Mineralogy Database

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4837 samples matching your criteria

  • Sample n°20187 : polished section
    Minerals: RENIERITE
    Year: 2023
    Country: Congo (RDC)
  • Sample n°20188 : thick crust with botryoidal aspect
    Minerals: HETEROGENITE
    Year: 2023
    Country: Congo (RDC)
  • Sample n°20189 : groups of brownish lath-shaped crystals on substrate
    Minerals: KYANITE
    Year: 2023
    Country: Congo (RDC)
  • Sample n°20190 : cross-section of cubic crystal in massive sulfide ore matrix
    Minerals: CARROLLITE
    Year: 2023
    Country: Congo (RDC)
  • Sample n°20191 : fine-grained coating
    Minerals: PSEUDOMALACHITE
    Year: 2023
    Country: Congo (RDC)
  • Sample n°20192 : intergrowth of elongated crystals, with triangular aspect
    Minerals: CALCITE
    Year: 2023
    Country: Congo (RDC)
  • Sample n°20195 : complex dense fibrous crust
    Minerals: MALACHITE
    Year: 2023
    Country: Congo (RDC)
  • Sample n°20201 : intergrowth of elongated crystals, with triangular aspect
    Minerals: CALCITE
    Year: 2023
    Country: Congo (RDC)
  • Sample n°20202 : green sphalerite, several fragments including pear-shaped cut stone
    Minerals: SPHALERITE
    Year: 2023
    Country: Congo (RDC)
  • Sample n°20203 : small crystals on matrix
    Minerals: CHALCOPYRITE
    Year: 2023
    Country: Congo (RDC)
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