Mineralogy Database

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3 samples matching your criteria

  • Sample n°10623 : black tablets (1-4 cm)
    Minerals: COLUMBITE
    Year:
    Country: Rwanda
  • Sample n°10624 : black tablets (5 cm)
    Minerals: COLUMBITE
    Year: 1965
    Country: Rwanda
  • Sample n°10627 : dark green crystals (1-7 cm)
    Minerals: CASSITERITE
    Year:
    Country: Rwanda
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