Mineralogy Database

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327 samples matching your criteria

  • Sample n°7208 : significant occurrence on quartz debris
    Minerals: GOLD QUARTZ
    Year: 1959
    Country: Congo (RDC)
  • Sample n°7209 : cubic crystals (1 cm) in gold-bearing quartz
    Minerals: GALENA QUARTZ
    Year: 1959
    Country: Congo (RDC)
  • Sample n°7210 : grains and small plates
    Minerals: GOLD
    Year: 1959
    Country: Congo (RDC)
  • Sample n°7985 : microgranular black blocks
    Minerals: GRAPHITE
    Year:
    Country: Congo (RDC)
  • Sample n°7999 : white fibrous block (20 cm)
    Minerals: ANTHOPHYLLITE
    Year:
    Country: Congo (RDC)
  • Sample n°8015 : geode with white needles (2 mm) in orange goethite
    Minerals: GOETHITE BARYTE
    Year: 1955
    Country: Congo (RDC)
  • Sample n°8018 : black tabular crystals in rock with syenitic texture
    Minerals: HORNBLENDE
    Year:
    Country: Congo (RDC)
  • Sample n°8548 : quartz fragments (3 cm) with oriented black prismatic crystals
    Minerals: TOURMALINE
    Year:
    Country: Congo (RDC)
  • Sample n°8563 : stony debris
    Minerals: BERYL
    Year:
    Country: Congo (RDC)
  • Sample n°8603 : corroded black crystal (3 cm)
    Minerals: COLUMBITE
    Year:
    Country: Congo (RDC)
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