Mineralogy Database

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87 samples matching your criteria

  • Sample n°18409 : massive block
    Minerals: PYROLUSITE
    Year: 2017
    Country: Congo (RDC)
  • Sample n°18589 : braunite crystals on Mn oxide substrate
    Minerals: BRAUNITE PYROLUSITE
    Year: 2018
    Country: South Africa
  • Sample n°18725 : elongated crystals
    Minerals: PYROLUSITE
    Year: 2019
    Country: Congo (RDC)
  • Sample n°19263 : massive
    Minerals: PYROLUSITE
    Year: 2020
    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°19722 : massive
    Minerals: PYROLUSITE
    Year: 2022
    Country: Congo (RDC)
  • Sample n°20199 : thick fibrous crust with metallic lustre
    Minerals: PYROLUSITE
    Year: 2023
    Country: Morocco
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