Mineralogy Database

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4 samples matching your criteria

  • Sample n°1784 : rounded, amber-coloured
    Minerals: CHALCEDONY (quartz)
    Year:
    Country: Congo (RDC)
  • Sample n°1785 : pearls of copper ore and crosses (2 complete, 4 fragments)
    Minerals: COPPER
    Year:
    Country: Congo (RDC)
  • Sample n°1787 : black crystals in white quartz
    Minerals: TOURMALINE QUARTZ
    Year:
    Country: Congo (RDC)
  • Sample n°20452 : abundant large phenocrystals in volcanic rock matrix
    Minerals: SANIDINE
    Year:
    Country: Congo (RDC)
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