Mineralogy Database

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4 samples matching your criteria

  • Sample n°8383 : black plates (5-10 cm) in pegmatite
    Minerals: TANTALITE
    Year: 1959
    Country: Rwanda
  • Sample n°8384 : black altered crystals in greisen
    Minerals: TANTALITE
    Year: 1959
    Country: Rwanda
  • Sample n°8385 : plates (2 cm)
    Minerals: THOREAULITE
    Year:
    Country: Congo (RDC)
  • Sample n°8386 : black crystals (1-5 cm) associated with quartz on greisen
    Minerals: CASSITERITE
    Year: 1959
    Country: Congo (RDC)
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