Mineralogy Database

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482 samples matching your criteria

  • Sample n°12117 : thick complex coating, acicular calcite
    Minerals: URANOPHANE CALCITE HEMATITE URANINITE
    Year: 1969
    Country: France
  • Sample n°12118 : sample with felty acicular uranophane, some meta-autunite lamellae
    Minerals: URANOPHANE HEMATITE META-AUTUNITE
    Year: 1969
    Country: France
  • Sample n°12119 : sample with powdery uraninite, in granite with muscovite and biotite
    Minerals: URANINITE HEMATITE
    Year: 1969
    Country: France
  • Sample n°12386 : specular (bright plates)
    Minerals: HEMATITE
    Year: 1969
    Country: Congo (RDC)
  • Sample n°12387 : 'cloisonné' aspect
    Minerals: HEMATITE
    Year: 1969
    Country: Congo (RDC)
  • Sample n°12426 : massive grey hematite
    Minerals: HEMATITE
    Year: 1969
    Country: Congo (RDC)
  • Sample n°12553 : specular
    Minerals: HEMATITE
    Year:
    Country: Angola
  • Sample n°12554 : specular
    Minerals: HEMATITE
    Year: 1920
    Country: Angola
  • Sample n°12555 : specular
    Minerals: HEMATITE
    Year: 1920
    Country: Angola
  • Sample n°12572 : bright black crystals and needles on vein quartz
    Minerals: GOETHITE HEMATITE QUARTZ
    Year: 1971
    Country: Congo (RDC)
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