Mineralogy Database

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4831 samples matching your criteria

  • Sample n°7998 : rust-coloured plates
    Minerals: MUSCOVITE
    Year:
    Country: Congo (RDC)
  • Sample n°8002 : black impregnations in altered dolomite
    Minerals: HETEROGENITE MALACHITE
    Year:
    Country: Congo (RDC)
  • Sample n°8003 : bright blue to yellow metallic block
    Minerals: BORNITE CHALCOCITE CHALCOPYRITE
    Year:
    Country: Congo (RDC)
  • Sample n°8004 : single and twinned crystals
    Minerals: ARSENOPYRITE
    Year:
    Country: Congo (RDC)
  • Sample n°8005 : specular
    Minerals: HEMATITE
    Year:
    Country: Congo (RDC)
  • Sample n°8278 : concretionary baryte on rock substrate
    Minerals: BARYTE
    Year: 1958
    Country: Congo (RDC)
  • Sample n°8279 : metallic spots in dolomite
    Minerals: CARROLLITE
    Year: 1959
    Country: Congo (RDC)
  • Sample n°8280 : crystalline crust on dolomite
    Minerals: DOLOMITE
    Year:
    Country: Congo (RDC)
  • Sample n°8281 : needles and dendritic aggregates, perpendicular to layering
    Minerals: COPPER DOLOMITE
    Year:
    Country: Congo (RDC)
  • Sample n°8282 : thin layers in dolomite
    Minerals: COPPER DOLOMITE
    Year:
    Country: Congo (RDC)
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