Mineralogy Database

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13 samples matching your criteria

  • Sample n°12891 : white and yellow crystals (1-3 cm)
    Minerals: TOPAZ QUARTZ
    Year: 1972
    Country: Nigeria
  • Sample n°12892 : black tabular crystals in quartz
    Minerals: RIEBECKITE
    Year: 1972
    Country: Nigeria
  • Sample n°12893 : cassiterite crystals in quartz
    Minerals: CASSITERITE
    Year: 1972
    Country: Nigeria
  • Sample n°12894 : shiny black crystals in vein quartz
    Minerals: SPHALERITE
    Year: 1972
    Country: Nigeria
  • Sample n°12895 : black fibro-radial material
    Minerals: PYROLUSITE
    Year: 1972
    Country: Nigeria
  • Sample n°12896 : altered black fibrous material
    Minerals: VIVIANITE
    Year: 1972
    Country: Nigeria
  • Sample n°12897 : black metallic mass in granite
    Minerals: MOLYBDENITE
    Year:
    Country: Nigeria
  • Sample n°12899 : granular, disseminated in vein
    Minerals: CASSITERITE
    Year: 1972
    Country: Nigeria
  • Sample n°12900 : brown twinned crystal (5 cm)
    Minerals: SIDERITE
    Year: 1972
    Country: Nigeria
  • Sample n°12901 : reworked material
    Minerals: CHALCEDONY (quartz) QUARTZ
    Year: 1972
    Country: Nigeria
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