Mineralogy Database

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15 samples matching your criteria

  • Sample n°2825 : sample with some canary-yellow francevillite crystals on sandstone, white dolomite crystals
    Minerals: FRANCEVILLITE DOLOMITE METATORBERNITE
    Year: 1949
    Country: Congo (RDC)
  • Sample n°6403 : sample with francevillite as canary-yellow impregnation in sandstone and as lozenge-shaped honey-coloured crystals in small veins
    Minerals: FRANCEVILLITE
    Year: 1958
    Country: Gabon
  • Sample n°6942 : sample with francevillite as yellow impregnation in sandstone
    Minerals: FRANCEVILLITE
    Year: 1957
    Country: USA
  • Sample n°7203 : sample with canary-yellow francevillite crust
    Minerals: FRANCEVILLITE
    Year: 1959
    Country: Gabon
  • Sample n°10116 : sample with francevillite as canary-yellow crust or impregnation and as isolated yellow to orange crystals, microcrystalline chervetite coating in one spot
    Minerals: FRANCEVILLITE CHERVETITE
    Year: 1964
    Country: Gabon
  • Sample n°12911 : sample with banded francevillite composed of yellow crystals, green octahedral metatorbernite crystals, orange curienite spheres, on coarse-grained sandstone
    Minerals: FRANCEVILLITE METATORBERNITE CURIENITE
    Year: 1972
    Country: Gabon
  • Sample n°12913 : sample with yellow-brown compact francevillite crystals, well-developed chervetite crystals (2 cm), small brown mounanaite crystals
    Minerals: CHERVETITE FRANCEVILLITE METATORBERNITE MOUNANAITE
    Year: 1972
    Country: Gabon
  • Sample n°12914 : sample with pale and dark green francevillite crystals, on quartzite
    Minerals: FRANCEVILLITE
    Year: 1972
    Country: Gabon
  • Sample n°12915 : sample with francevillite as crystals and impregnations, crust of black mottramite crystals, on sandstone
    Minerals: FRANCEVILLITE MOTTRAMITE
    Year: 1972
    Country: Gabon
  • Sample n°12917 : sample with crust of black bladed duttonite crystals, francevillite as yellow impregnations
    Minerals: DUTTONITE FRANCEVILLITE
    Year: 1972
    Country: Gabon