Mineralogy Database

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1097 samples matching your criteria

  • Sample n°19648 : fragment of thick coarse-fibrous coating
    Minerals: QUARTZ
    Year:
    Country: Congo (RDC)
  • Sample n°19663 : Gécamines gift case, containing 48 samples with provenance
    Minerals: ANHYDRITE ARAGONITE ARSENOPYRITE AZURITE BARYTE BORNITE CARROLLITE CASSITERITE CATTIERITE CHALCOCITE CHALCOPYRITE CHRYSOCOLLA CORNETITE CUPRITE DIOPTASE DOLOMITE FLUORITE GOETHITE GYPSUM HEMIMORPHITE HETEROGENITE LIBETHENITE MAGNESITE MALACHITE MOLYBDENITE MONAZITE PLANCHEITE PYRITE QUARTZ RENIERITE SHATTUCKITE SIEGENITE SMITHSONITE SPHALERITE TENNANTITE VAESITE PYROLUSITE CALCITE
    Year: 2022
    Country: Congo (RDC)
  • Sample n°19813 : crystal groups, with associated silver-bearing sulfides
    Minerals: QUARTZ
    Year: 2022
    Country: Peru
  • Sample n°19822 : crystal fragment with amethyst to citrine transition
    Minerals: AMETHYST (quartz) QUARTZ
    Year: 2022
    Country: Bolivia
  • Sample n°19884 : well-developed sphalerite crystals, with rhodochrosite and euhedral quartz
    Minerals: SPHALERITE RHODOCHROSITE QUARTZ
    Year: 2022
    Country: USA
  • Sample n°19938 : crystals with iron oxide coatings
    Minerals: QUARTZ
    Year: 2022
    Country: Congo (RDC)
  • Sample n°19985 : blue quartz in granite matrix
    Minerals: QUARTZ
    Year:
    Country: Congo (RDC)
  • Sample n°20034.1 : gift case with selection of minerals from Katanga, and one from Zambia (hopeite)
    Minerals: ALMANDINE BARYTE BROCHANTITE CHRYSOCOLLA COPPER CORNETITE CRYPTOMELANE CUPRITE DIOPTASE DOLOMITE GOETHITE GOLD GYPSUM HEMATITE HETEROGENITE HOPEITE LIBETHENITE MALACHITE MONAZITE PLANCHEITE QUARTZ RENIERITE SHATTUCKITE SILVER SMITHSONITE VAESITE PSEUDOMALACHITE
    Year: 2023
    Country: Congo (RDC)
  • Sample n°20038 : crystal group, grading to amethyst
    Minerals: QUARTZ
    Year: 2021
    Country: Rwanda
  • Sample n°20039 : crystal group, smoky quartz grading to amethyst
    Minerals: QUARTZ
    Year: 2021
    Country: Rwanda
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