Mineralogy Database

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7938 samples matching your criteria

  • Sample n°5832 : green plates (2 mm) on quartzite
    Minerals: MUSCOVITE
    Year:
    Country: Congo (RDC)
  • Sample n°5834 : sawn block (20 cm), septarian concretion
    Minerals: CHALCEDONY (quartz)
    Year:
    Country: Congo (RDC)
  • Sample n°5837 : yellow and white crystals in geode in limestone
    Minerals: SULPHUR CALCITE
    Year: 1955
    Country: Congo (RDC)
  • Sample n°5838 : stalactites with coral-like forms
    Minerals: CALCITE
    Year: 1955
    Country: Congo (RDC)
  • Sample n°5839 : stalactites and concretions
    Minerals: CALCITE
    Year: 1955
    Country: Congo (RDC)
  • Sample n°5840 : aggregates of acicular crystals, saw-tooth pattern
    Minerals: CALCITE
    Year: 1955
    Country: Congo (RDC)
  • Sample n°5841 : cauliflower-like concretion
    Minerals: CALCITE
    Year: 1955
    Country: Congo (RDC)
  • Sample n°5842 : yellow pisoliths (1-10 mm)
    Minerals: CALCITE
    Year: 1955
    Country: Congo (RDC)
  • Sample n°5843 : oval chert fragment
    Minerals: QUARTZ
    Year:
    Country: Congo (RDC)
  • Sample n°5844 : pisolith (8 mm)
    Minerals: CALCITE
    Year: 1955
    Country: Congo (RDC)
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