Mineralogy Database

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319 samples matching your criteria

  • Sample n°2142 : blue to yellow massive ore, with polished section
    Minerals: BORNITE CHALCOCITE CHALCOPYRITE GALENA PYRITE SPHALERITE
    Year:
    Country: Congo (RDC)
  • Sample n°2143 : black tabular crystals
    Minerals: COLUMBITE QUARTZ
    Year: 1941
    Country: Congo (RDC)
  • Sample n°2144 : iridescent massive material
    Minerals: CHALCOCITE
    Year: 1941
    Country: Congo (RDC)
  • Sample n°2147 : crystals
    Minerals: MALACHITE
    Year: 1941
    Country: Congo (RDC)
  • Sample n°2149 : rock crystal
    Minerals: QUARTZ
    Year:
    Country: Congo (RDC)
  • Sample n°2150 : rock crystal with enclosed hematite
    Minerals: QUARTZ HEMATITE
    Year:
    Country: Congo (RDC)
  • Sample n°2151 : black specular block
    Minerals: HEMATITE QUARTZ
    Year:
    Country: Congo (RDC)
  • Sample n°2152 : black specular material
    Minerals: HEMATITE
    Year:
    Country: Congo (RDC)
  • Sample n°2153 : specular veins in quartz
    Minerals: QUARTZ HEMATITE
    Year:
    Country: Congo (RDC)
  • Sample n°2154 : aggregate of iron-bearing crystals
    Minerals: QUARTZ
    Year:
    Country: Congo (RDC)