Mineralogy Database

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2 samples matching your criteria

  • Sample n°8529.1 : oriented black needles in micaschist (10 cm)
    Minerals: TOURMALINE
    Year:
    Country: Rwanda
  • Sample n°8529.2 : black crystal (2 cm) in vein quartz
    Minerals: CASSITERITE QUARTZ
    Year:
    Country: Rwanda
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