Mineralogy Database

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3 samples matching your criteria

  • Sample n°11360 : crystals (1 cm) in amphibolite
    Minerals: HORNBLENDE
    Year:
    Country: Burkina Faso
  • Sample n°11361 : fibro-radial pyrolusite layers in black mass
    Minerals: PYROLUSITE MANGANESE OXIDES
    Year:
    Country: Burkina Faso
  • Sample n°11362 : fayalite in laterite matrix
    Minerals: GOETHITE FAYALITE
    Year:
    Country: Burkina Faso
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