Mineralogy Database

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1097 samples matching your criteria

  • Sample n°9379 : large muscovite plates as part of pegmatite matrix
    Minerals: MUSCOVITE QUARTZ MICROCLINE ALBITE
    Year: 1962
    Country: Rwanda
  • Sample n°9753 : large breccious block / coarse-grained quartz-rich aggregate
    Minerals: BASTNASITE QUARTZ
    Year: 1962
    Country: Burundi
  • Sample n°13844 : specimens in UMHK-style gift case
    Minerals: ARAGONITE ARSENOPYRITE AZURITE BARYTE BORNITE CASSITERITE CERUSSITE CHALCOCITE CHALCOPYRITE COPPER CUPRITE DOLOMITE GALENA GARNET GOETHITE HEMATITE HEMIMORPHITE HETEROGENITE KATANGITE (plancheite) KYANITE MAGNETITE MALACHITE MOLYBDENITE MONAZITE PYRITE RENIERITE SMITHSONITE SPHALERITE SPODUMENE TENNANTITE THOREAULITE QUARTZ
    Year:
    Country: Congo (RDC)
  • Sample n°17162 : double-terminated crystals
    Minerals: QUARTZ
    Year:
    Country: Congo (RDC)
  • Sample n°17163 : var. citrine
    Minerals: QUARTZ
    Year:
    Country: Congo (RDC)
  • Sample n°17200 : large euhedral chlorite crystal enclosed in prismatic quartz
    Minerals: CHLORITE QUARTZ
    Year: 2015
    Country: Congo (RDC)
  • Sample n°17204 : phantom quartz
    Minerals: QUARTZ
    Year: 2015
    Country: Congo (RDC)
  • Sample n°17212 : aggregated of tubular structures
    Minerals: QUARTZ
    Year: 2015
    Country: Congo (RDC)
  • Sample n°17217 : quartz with malachite inclusions, possible pseudomorphism after baryte
    Minerals: QUARTZ MALACHITE
    Year: 2015
    Country: Congo (RDC)
  • Sample n°17253 : reddish crystals
    Minerals: QUARTZ
    Year: 2015
    Country: Congo (RDC)
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