Mineralogy Database

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237 samples matching your criteria

  • Sample n°4798 : concentrate (5 mm)
    Minerals: COLUMBITE
    Year: 1955
    Country: Congo (RDC)
  • Sample n°4799 : black rounded crystal (4 cm)
    Minerals: COLUMBITE
    Year:
    Country: Congo (RDC)
  • Sample n°4800 : black concentrate
    Minerals: COLUMBITE TANTALITE
    Year: 1955
    Country: Congo (RDC)
  • Sample n°4801 : rounded oxidised crystal
    Minerals: COLUMBITE TANTALITE
    Year: 1955
    Country: Congo (RDC)
  • Sample n°4820 : crystals in vein quartz and isolated tabular crystals (2 cm)
    Minerals: COLUMBITE
    Year: 1955
    Country: Congo (RDC)
  • Sample n°4823 : octahedral zircon crystals (3-10 mm)
    Minerals: ZIRCON COLUMBITE CORUNDUM
    Year: 1955
    Country: Congo (RDC)
  • Sample n°4825 : mixed concentrate (3 mm)
    Minerals: COLUMBITE GARNET
    Year: 1955
    Country: Congo (RDC)
  • Sample n°4828 : concentrate (2 mm)
    Minerals: COLUMBITE
    Year: 1955
    Country: Congo (RDC)
  • Sample n°5428 : concentrate
    Minerals: COLUMBITE TANTALITE
    Year: 1955
    Country: Congo (RDC)
  • Sample n°5462 : striated black block (7 cm)
    Minerals: COLUMBITE
    Year: 1955
    Country: Congo (RDC)
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