Mineralogy Database

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7938 samples matching your criteria

  • Sample n°5476 : brown earthy blocks
    Minerals: PYROLUSITE
    Year: 1954
    Country: Congo (RDC)
  • Sample n°5478 : white geodic crust on basalt
    Minerals: CALCITE
    Year: 1954
    Country: Congo (RDC)
  • Sample n°5489 : grey concentrate
    Minerals: ALLANITE-(Ce)
    Year: 1955
    Country: Congo (RDC)
  • Sample n°5490 : concentrate of grey lenticular crystals (1 mm)
    Minerals: MONAZITE
    Year:
    Country: Congo (RDC)
  • Sample n°5509 : pink crystals in pegmatite
    Minerals: MICROCLINE
    Year: 1956
    Country: Congo (RDC)
  • Sample n°5577 : small olive green conichalcite crystals on bright calcite in core sample (sandstone)
    Minerals: CONICHALCITE CALCITE
    Year:
    Country: Congo (RDC)
  • Minerals: CUPRITE MALACHITE
    Year:
    Country: Congo (RDC)
  • Sample n°5717 : star-shaped black manganese oxide aggregates, blue katangite coating, in core section (sandstone)
    Minerals: KATANGITE (plancheite) MANGANESE OXIDES
    Year:
    Country: Congo (RDC)
  • Sample n°5795 : grey calcite crystals (2 cm), yellow mottramite powder, in core section (sandstone)
    Minerals: CALCITE MOTTRAMITE
    Year:
    Country: Congo (RDC)
  • Sample n°5799 : small crystals in geode, in core section (sandstone)
    Minerals: CALCITE
    Year:
    Country: Congo (RDC)