Mineralogy Database

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442 samples matching your criteria

  • Sample n°1726 : dark brown prismatic crystals in biotitite
    Minerals: STAUROLITE BIOTITE
    Year:
    Country: Congo (RDC)
  • Sample n°1727 : V-shaped twinned crystals (2 cm)
    Minerals: STAUROLITE
    Year:
    Country: Congo (RDC)
  • Sample n°1728 : no description available
    Minerals: FELDSPAR
    Year:
    Country: Congo (RDC)
  • Sample n°1731 : black tabular crystals in vein quartz
    Minerals: ILMENITE
    Year:
    Country: Congo (RDC)
  • Sample n°1732 : spots in quartz
    Minerals: HEMATITE QUARTZ
    Year:
    Country: Congo (RDC)
  • Sample n°2008 : black fragments (1 cm)
    Minerals: ILMENITE
    Year:
    Country: Congo (RDC)
  • Sample n°2030 : blue and green massive material
    Minerals: CHRYSOCOLLA MALACHITE
    Year:
    Country: Congo (RDC)
  • Sample n°2431 : debris
    Minerals: HEMATITE
    Year: 1957
    Country: Congo (RDC)
  • Sample n°2434 : banded blue chalcedony in white clay
    Minerals: CHALCEDONY (quartz)
    Year: 1937
    Country: Congo (RDC)
  • Sample n°2435 : rust-coloured plates
    Minerals: MUSCOVITE
    Year: 1937
    Country: Congo (RDC)
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