Mineralogy Database

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237 samples matching your criteria

  • Sample n°8485 : twinned tabular crystal (2 cm)
    Minerals: COLUMBITE TANTALITE
    Year: 1960
    Country: Congo (RDC)
  • Sample n°8486 : debris
    Minerals: COLUMBITE TANTALITE
    Year: 1960
    Country: Congo (RDC)
  • Sample n°8515 : pink and green tabular crystals (1-5 cm)
    Minerals: MUSCOVITE COLUMBITE
    Year:
    Country: Rwanda
  • Sample n°8534 : broken crystal (1 cm) in pink pegmatite
    Minerals: COLUMBITE QUARTZ
    Year:
    Country: Rwanda
  • Sample n°8602 : plates (2 cm)
    Minerals: COLUMBITE
    Year: 1960
    Country: Rwanda
  • Sample n°8603 : corroded black crystal (3 cm)
    Minerals: COLUMBITE
    Year:
    Country: Congo (RDC)
  • Sample n°8604 : mixed yellow and black debtris
    Minerals: COLUMBITE MICROLITE
    Year:
    Country: Congo (RDC)
  • Sample n°8605 : brown blocks with pink clayey surface
    Minerals: COLUMBITE
    Year: 1971
    Country: Congo (RDC)
  • Sample n°8756.1 : sample with yellow to white and yellow-orange phosphuranylite plates and yellow-orange phosphuranylite powder, golden-yellow triangulite nodules, white mica-like threadgoldite, green meta-autunite plates
    Minerals: PHOSPHURANYLITE TRIANGULITE BERYL COLUMBITE META-AUTUNITE THREADGOLDITE
    Year: 1960
    Country: Congo (RDC)
  • Sample n°8756.2 : sample with meta-autunite and columbite in beryl-bearing pegmatite
    Minerals: META-AUTUNITE COLUMBITE
    Year: 1960
    Country: Congo (RDC)
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