Mineralogy Database

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2 samples matching your criteria

  • Sample n°4439 : crystals (1 cm)
    Minerals: TANTALITE COLUMBITE
    Year: 1954
    Country: Congo (RDC)
  • Sample n°8476 : black crystal (1 cm) in micaceous quartz
    Minerals: CASSITERITE MICA QUARTZ
    Year: 1960
    Country: Congo (RDC)
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