Mineralogy Database

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79 samples matching your criteria

  • Sample n°15869 : massive black uraninite, some yellow and orange oxidation products
    Minerals: URANINITE
    Year:
    Country: Congo (RDC)
  • Sample n°15870 : brown substrate with coating of small orange crystals and fine-grained yellow crust
    Minerals: KASOLITE
    Year:
    Country: Congo (RDC)
  • Sample n°15871 : heterogeneous sample, with pale yellow fibrous material, coatings of green crystals, and black powdery to more coarse-grained crusts
    Minerals: unidentified
    Year:
    Country: Congo (RDC)
  • Sample n°15872 : cassiterite and muscovite in quartz vein
    Minerals: CASSITERITE MUSCOVITE QUARTZ
    Year:
    Country: Congo (RDC)
  • Sample n°15873 : large single crystal
    Minerals: CASSITERITE
    Year:
    Country: Congo (RDC)
  • Sample n°15874 : cassiterite in quartz vein
    Minerals: CASSITERITE QUARTZ
    Year:
    Country: Congo (RDC)
  • Sample n°15875 : cassiterite in quartz vein
    Minerals: CASSITERITE QUARTZ
    Year:
    Country: Congo (RDC)
  • Sample n°15876 : cassiterite associated with muscovite and quartz in greisen
    Minerals: CASSITERITE MUSCOVITE QUARTZ
    Year:
    Country: Congo (RDC)
  • Sample n°15877 : cassiterite in quartz-muscovite matrix
    Minerals: CASSITERITE MUSCOVITE QUARTZ
    Year:
    Country: Congo (RDC)
  • Sample n°15878 : well-developed tourmaline crystals in quartz vein
    Minerals: TOURMALINE QUARTZ
    Year:
    Country: Congo (RDC)
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