Mineralogy Database

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14 samples matching your criteria

  • Sample n°11279 : iridescent material in septaria (10 cm)
    Minerals: MARCASITE
    Year: 1967
    Country: Belgium
  • Sample n°11345 : fibro-radial nodules, partly elongated, isolated or in chalk matrix
    Minerals: MARCASITE
    Year: 1967
    Country: France
  • Sample n°13693 : thick coarse-crystalline crust
    Minerals: MARCASITE
    Year:
    Country: Spain
  • Sample n°19885 : tabular crystals
    Minerals: MARCASITE
    Year: 2022
    Country: USA
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