Mineralogy Database

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65 samples matching your criteria

  • Sample n°19994 : fibrous deposit with stalactitic aspect
    Minerals: GOETHITE
    Year: 2023
    Country: Congo (RDC)
  • Sample n°19997 : crust composed of acicular crystals
    Minerals: BROCHANTITE
    Year: 2023
    Country: Congo (RDC)
  • Sample n°20369 : carrolite crystals in matrix of cobalt-bearing calcite
    Minerals: CALCITE CARROLLITE
    Year: 2024
    Country: Congo (RDC)
  • Sample n°20370 : porous, on rock matrix
    Minerals: HETEROGENITE
    Year: 2024
    Country: Congo (RDC)
  • Sample n°20480 : botryoidal coating
    Minerals: HETEROGENITE
    Year: 2025
    Country: Congo (RDC)
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