Mineralogy Database

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1097 samples matching your criteria

  • Sample n°2466 : fragments of well-developed orange-brown coatings
    Minerals: QUARTZ
    Year:
    Country: Congo (RDC)
  • Sample n°7150 : highly porous fragment
    Minerals: QUARTZ
    Year: 1959
    Country: Congo (RDC)
  • Sample n°16204 : vein fragments with parallel structures
    Minerals: QUARTZ
    Year:
    Country: Congo (RDC)
  • Sample n°18605 : small terminated crystals
    Minerals: QUARTZ
    Year:
    Country: Congo (RDC)
  • Sample n°455 : hematite veis in quartz
    Minerals: HEMATITE QUARTZ
    Year: 1922
    Country: Congo (RDC)
  • Sample n°16161 : terminated crystals
    Minerals: QUARTZ
    Year:
    Country: Congo (RDC)
  • Sample n°15935 : green layered fragments, var. jasper
    Minerals: QUARTZ
    Year:
    Country: Congo (RDC)
  • Sample n°582 : malachite on cavernous quartz
    Minerals: MALACHITE QUARTZ
    Year: 1913
    Country: Congo (Congo-Brazzaville)
  • Sample n°18698 : thick coating, iron-bearing in outer part
    Minerals: QUARTZ
    Year: 2019
    Country: Congo (RDC)
  • Sample n°18766 : complex crystal
    Minerals: QUARTZ
    Year: 2019
    Country: Rwanda