Mineralogy Database

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7 samples matching your criteria

  • Sample n°266 : debris of rhombohedrons
    Minerals: CALCITE
    Year:
    Country: Congo (RDC)
  • Sample n°337 : geodes with crystals of 1 to 3 cm
    Minerals: CALCITE
    Year: 1913
    Country: Congo (RDC)
  • Sample n°349 : fibrous, yellowish
    Minerals: CALCITE
    Year: 1913
    Country: Congo (RDC)
  • Sample n°350 : crust composed of crystals (0.5 cm)
    Minerals: CALCITE PYRRHOTITE
    Year: 1913
    Country: Congo (RDC)
  • Sample n°716 : chisel-shaped crystals (2 cm) in chalcedony geode
    Minerals: CALCITE CHALCEDONY (quartz) QUARTZ
    Year: 1912
    Country: Congo (RDC)
  • Sample n°4456 : flattened crystals (2 cm) in geode
    Minerals: CALCITE
    Year: 1954
    Country: Congo (RDC)
  • Sample n°4460 : rhombohedral crystals (1 cm) on red rock
    Minerals: CALCITE
    Year: 1954
    Country: Congo (RDC)