Mineralogy Database

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4837 samples matching your criteria

  • Sample n°19439 : fragments, with polished sections
    Minerals: CASSITERITE
    Year:
    Country: Congo (RDC)
  • Sample n°19445 : specimens in UMHK-style gift case
    Minerals: AZURITE BORNITE CHALCOCITE CHALCOPYRITE CHRYSOCOLLA COPPER CUPRITE FLUORITE GALENA HEMATITE HEMIMORPHITE MALACHITE PYRITE DIOPTASE PLANCHEITE HETEROGENITE CALCITE CORNETITE CASSITERITE
    Year:
    Country: Congo (RDC)
  • Sample n°19446 : large specimen with continuous coating
    Minerals: AZURITE
    Year: 2021
    Country: Congo (RDC)
  • Sample n°19447 : large crystals on ferruginous substrate
    Minerals: PYROMORPHITE
    Year: 2021
    Country: Congo (RDC)
  • Sample n°19448 : small crystals
    Minerals: PYROMORPHITE
    Year: 2021
    Country: Congo (RDC)
  • Sample n°19449 : crystals with colour change from greenish to yellow
    Minerals: PYROMORPHITE
    Year: 2021
    Country: Congo (RDC)
  • Sample n°19451 : coating
    Minerals: CERUSSITE
    Year: 2021
    Country: Congo (RDC)
  • Sample n°19452 : aggregate with cubic aspect in some parts
    Minerals: COPPER
    Year: 2021
    Country: Congo (RDC)
  • Sample n°19453 : double-terminated crystals
    Minerals: CALCITE
    Year: 2021
    Country: Congo (RDC)
  • Sample n°19454 : thick quartz coating, on irregular surface
    Minerals: QUARTZ MALACHITE
    Year: 2021
    Country: Congo (RDC)
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