Mineralogy Database

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230 samples matching your criteria

  • Sample n°12691 : black fragments (1-5 cm)
    Minerals: COLUMBITE
    Year: 1972
    Country: Congo (RDC)
  • Sample n°12728 : black concentrate (5 mm)
    Minerals: COLUMBITE
    Year: 1972
    Country: Congo (RDC)
  • Sample n°12758 : debris of black crystals
    Minerals: COLUMBITE
    Year: 1972
    Country: Congo (RDC)
  • Sample n°12832 : black scoriaceous blocks (2 cm)
    Minerals: COLUMBITE TANTALITE
    Year: 1971
    Country: Congo (RDC)
  • Sample n°12837 : sample with yellow meta-autunite, metamict zircon
    Minerals: META-AUTUNITE COLUMBITE ZIRCON
    Year:
    Country: Congo (RDC)
  • Sample n°13153 : sample with yellow ranunculite nodules, radial aggregates of pale yellow furongite crystals, green meta-autunite plates, white mica-like threadgoldite
    Minerals: FURONGITE RANUNCULITE COLUMBITE FRONDELITE META-AUTUNITE THREADGOLDITE
    Year: 1974
    Country: Congo (RDC)
  • Sample n°13459 : sample with yellow meta-autunite lamellae, grey to white lizardite, black columbite, metamict zircon, uraninite pseudomorphic after crystals with hexagonal and triangular forms
    Minerals: LIZARDITE META-AUTUNITE COLUMBITE URANINITE ZIRCON
    Year: 1968
    Country: Congo (RDC)
  • Sample n°13462 : sample with pale yellow furongite, bright canary-yellow phosphuranylite lamellae, yellow and white meta-autunite plates
    Minerals: FURONGITE PHOSPHURANYLITE COLUMBITE META-AUTUNITE METATORBERNITE ZIRCON
    Year: 1968
    Country: Congo (RDC)
  • Sample n°13464 : sample with furongite as veins of amber-coloured plate-shaped crystals and as light yellow crystals, crusts of small golden yellow triangulite crystals, moreauite as lemon-yellow crusts or nodules, white meta-autunite crystals with square forms, traces of metatorbernite, metamict zircon
    Minerals: COLUMBITE META-AUTUNITE METATORBERNITE ZIRCON FURONGITE MOREAUITE TRIANGULITE
    Year:
    Country: Congo (RDC)
  • Sample n°13534 : sample with meta-autunite blades
    Minerals: META-AUTUNITE COLUMBITE
    Year: 1978
    Country: Congo (RDC)
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