Mineralogy Database

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158 samples matching your criteria

  • Sample n°20227 : small dark purple spherocobaltite crystals on cobalt-bearing dolomite
    Minerals: DOLOMITE SPHEROCOBALTITE
    Year: 2024
    Country: Congo (RDC)
  • Sample n°20228 : complex crust, with moulds of scalenohedral crystals
    Minerals: MALACHITE PLANCHEITE
    Year: 2024
    Country: Congo (RDC)
  • Sample n°20229 : coarse-crystalline mass
    Minerals: HEMATITE
    Year: 2024
    Country: Congo (RDC)
  • Sample n°20230 : crystals in ferruginous matrix
    Minerals: RUTILE
    Year: 2024
    Country: Zambia
  • Minerals: NEPOUITE
    Year: 2025
    Country: Congo (RDC)
  • Sample n°20418 : fragment of long crystal
    Minerals: STAUROLITE
    Year: 2025
    Country: Congo (RDC)
  • Sample n°20419 : white aggregates in biotite-rich matrix with long tourmaline crystals
    Minerals: BIOTITE FELDSPAR TOURMALINE
    Year: 2025
    Country: Congo (RDC)
  • Minerals: MOTTRAMITE
    Year: 2025
    Country: Zambia