Mineralogy Database

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442 samples matching your criteria

  • Sample n°5847 : aggregate of grey crystals
    Minerals: GYPSUM
    Year: 1955
    Country: Congo (RDC)
  • Sample n°5849 : geode with renifiorm concretion and pink granular material
    Minerals: CHALCEDONY (quartz) QUARTZ
    Year:
    Country: Congo (RDC)
  • Sample n°5850 : sawn chert fragment
    Minerals: QUARTZ
    Year:
    Country: Congo (RDC)
  • Sample n°5851 : oxidised block with yellow encrustation
    Minerals: BRACKEBUSCHITE MOTTRAMITE DESCLOIZITE
    Year:
    Country: Congo (RDC)
  • Sample n°5852 : small bright black crystals on rock substrate
    Minerals: DESCLOIZITE
    Year:
    Country: Congo (RDC)
  • Sample n°5853 : white chervetite crystals and yellow vanadinite crystals in geodes
    Minerals: CHERVETITE VANADINITE
    Year:
    Country: Congo (RDC)
  • Sample n°5856 : vanadium-bearing red ochrous material
    Minerals: GOETHITE
    Year:
    Country: Congo (RDC)
  • Sample n°5857 : white chervetite crystals and yellow mottramite coating on vacuolar ferruginous substrate
    Minerals: CHERVETITE MOTTRAMITE
    Year: 1956
    Country: Congo (RDC)
  • Sample n°5858 : red ochrous material
    Minerals: GOETHITE
    Year: 1956
    Country: Congo (RDC)
  • Sample n°5859 : yellow powdery coatings (mottramite), smalll black crystals (wakefieldite)
    Minerals: MOTTRAMITE WAKEFIELDITE-(Ce)
    Year:
    Country: Congo (RDC)
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