Mineralogy Database

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1097 samples matching your criteria

  • Sample n°17387 : group ol large quartz crystals with orange tint
    Minerals: QUARTZ
    Year: 2016
    Country: Congo (RDC)
  • Sample n°17436 : fine-grained quartz coating on plancheite and malachite
    Minerals: MALACHITE PLANCHEITE QUARTZ
    Year:
    Country: Congo (RDC)
  • Sample n°17521 : brown crystals on ferruginous substrate
    Minerals: QUARTZ
    Year: 2017
    Country: Congo (RDC)
  • Sample n°17578 : irregular quartz coating on malachite, with scattered malachite aggregates
    Minerals: MALACHITE QUARTZ
    Year: 2017
    Country: Congo (RDC)
  • Sample n°17591 : reddish crystals on substrate
    Minerals: QUARTZ
    Year: 2018
    Country: Congo (RDC)
  • Sample n°17593 : psuedomorpphs after pyrite, covered by quartz crystals
    Minerals: GOETHITE QUARTZ
    Year: 2018
    Country: Congo (RDC)
  • Sample n°18141 : well-developed quartz crystalls, scattered chalcocite
    Minerals: CHALCOCITE QUARTZ
    Year: 2017
    Country: Congo (RDC)
  • Sample n°18265 : concentrates
    Minerals: DIOPSIDE GARNET ILMENITE MAGNETITE OLIVINE QUARTZ
    Year: 2017
    Country: Congo (RDC)
  • Sample n°16555 : quartz (var amethyst), with enclosed graphite
    Minerals: GRAPHITE QUARTZ
    Year:
    Country: Congo (RDC)
  • Sample n°1424 : veined smoky qwartz
    Minerals: QUARTZ
    Year:
    Country: Congo (RDC)
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