Mineralogy Database

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15 samples matching your criteria

  • Sample n°12918 : sample with francevillite as yellow mica-like crystals and as isolated crystals on bariandite, crust of black bariandite laths, crust of black dutonite blades
    Minerals: BARIANDITE DUTTONITE FRANCEVILLITE
    Year: 1972
    Country: Gabon
  • Sample n°12920 : sample with small brown mounanaite crystals, francevillite as crystals and impregnations
    Minerals: FRANCEVILLITE MOUNANAITE GOETHITE
    Year: 1972
    Country: Gabon
  • Sample n°15838 : small (mineralised) sandstone fragment
    Minerals: FRANCEVILLITE
    Year:
    Country: Niger
  • Sample n°15840 : sandstone with yellow crystal aggregates
    Minerals: FRANCEVILLITE
    Year:
    Country: Niger
  • Sample n°15854 : yellowish green powdery material
    Minerals: FRANCEVILLITE
    Year:
    Country: Gabon
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