Mineralogy Database

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237 samples matching your criteria

  • Sample n°8818 : yellow concentrate (1 cm)
    Minerals: COLUMBITE TANTALITE CASSITERITE
    Year: 1968
    Country: Congo (RDC)
  • Sample n°8840 : brown-pink tantalaite-(Mn) fragments (1-5 cm), and partially sorted coarse concentrates
    Minerals: TANTALITE-(Mn) COLUMBITE TANTALITE ZIRCON
    Year: 1961
    Country: Rwanda
  • Sample n°8918 : black tabular crystals (2 cm) in quartz
    Minerals: COLUMBITE TANTALITE QUARTZ
    Year:
    Country: Rwanda
  • Sample n°9059.2 : plates (1-7 cm)
    Minerals: COLUMBITE TANTALITE
    Year: 1962
    Country: Rwanda
  • Sample n°9064 : mixed broken crystals (1-5 cm)
    Minerals: CASSITERITE COLUMBITE TANTALITE
    Year: 1962
    Country: Rwanda
  • Sample n°9065 : large black crystal
    Minerals: COLUMBITE
    Year: 1962
    Country: Rwanda
  • Sample n°9066 : isolated black crystals (1 cm) and aggregates in vein quartz
    Minerals: COLUMBITE TANTALITE
    Year: 1962
    Country: Rwanda
  • Sample n°9312 : black crystals in quartz
    Minerals: COLUMBITE QUARTZ
    Year:
    Country: Rwanda
  • Sample n°9313 : black tablets (6 cm) in vein quartz
    Minerals: COLUMBITE QUARTZ
    Year:
    Country: Rwanda
  • Sample n°9315 : fractured tabular crystals (10 cm) in vein quartz
    Minerals: COLUMBITE TANTALITE QUARTZ
    Year:
    Country: Rwanda
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