Mineralogy Database

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2 samples matching your criteria

  • Sample n°6706 : broken grey octahedral crystal (1 cm)
    Minerals: BROOKITE
    Year: 1954
    Country: USA
  • Sample n°6754 : black crystals (cm) on grey prismatic quartz crystal, var. arkansite
    Minerals: BROOKITE
    Year: 1954
    Country: USA
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