Mineralogy Database

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137 samples matching your criteria

  • Sample n°3560 : black tabular single crystal
    Minerals: TANTALITE
    Year:
    Country: Congo (RDC)
  • Sample n°3561 : biotite with white kaolinite spots
    Minerals: BIOTITE KAOLINITE
    Year:
    Country: Congo (RDC)
  • Sample n°3562 : well-developed beige concretion (core sample)
    Minerals: OPAL
    Year:
    Country: Congo (RDC)
  • Sample n°3564 : massive
    Minerals: ALBITE
    Year:
    Country: Congo (RDC)
  • Sample n°3565 : massive pink feldspar
    Minerals: MICROCLINE
    Year:
    Country: Congo (RDC)
  • Sample n°4285 : small veins in pegmatite
    Minerals: LOELLINGITE
    Year:
    Country: Congo (RDC)
  • Sample n°4450 : crystal (3 cm)
    Minerals: THOREAULITE
    Year:
    Country: Congo (RDC)
  • Sample n°4732 : plate-shaped crystals in pegmatite
    Minerals: MUSCOVITE
    Year: 1954
    Country: Congo (RDC)
  • Sample n°4748 : very fine concentrate
    Minerals: COLUMBITE TANTALITE
    Year: 1954
    Country: Congo (RDC)
  • Sample n°4749 : fine concentrate
    Minerals: TANTALITE
    Year:
    Country: Congo (RDC)
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