Mineralogy Database

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2 samples matching your criteria

  • Sample n°12683 : black concentrate (5 mm)
    Minerals: COLUMBITE
    Year: 1971
    Country: Congo (RDC)
  • Sample n°12684 : brown concentrate (8 mm), with polished section
    Minerals: CASSITERITE
    Year: 1971
    Country: Congo (RDC)
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