Mineralogy Database

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7938 samples matching your criteria

  • Sample n°4744 : uraninite with yellow alteration crust, minor malachite
    Minerals: URANINITE MALACHITE
    Year:
    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)
  • Sample n°4750 : small crystals in pegmatite
    Minerals: GALENA
    Year:
    Country: Congo (RDC)
  • Sample n°4757 : pink crystal with cleavage (10 cm)
    Minerals: MICROCLINE
    Year: 1954
    Country: Congo (RDC)
  • Sample n°4758 : rounded brown crystals (4 cm)
    Minerals: THORITE
    Year: 1954
    Country: Congo (RDC)
  • Sample n°4759 : pegmatite with green mica
    Minerals: MUSCOVITE
    Year: 1954
    Country: Congo (RDC)
  • Sample n°4760 : pink broken crystal (5 cm)
    Minerals: MICROCLINE
    Year: 1954
    Country: Congo (RDC)
  • Sample n°4761 : red concentrate from syenite (2 mm)
    Minerals: ZIRCON
    Year:
    Country: Congo (RDC)
  • Sample n°4763 : mixed sulfides in vein quartz
    Minerals: GALENA SPHALERITE
    Year: 1954
    Country: Congo (RDC)
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