Mineralogy Database

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21 samples matching your criteria

  • Sample n°18892 : double-terminated smoky quartz crystal
    Minerals: QUARTZ
    Year: 2019
    Country: Congo (RDC)
  • Sample n°18893 : botryoidal crust, with shiny surface
    Minerals: HETEROGENITE
    Year: 2019
    Country: Congo (RDC)
  • Sample n°18894 : yellowish crystals
    Minerals: QUARTZ
    Year: 2019
    Country: Congo (RDC)
  • Sample n°18895 : reddish crystals
    Minerals: QUARTZ
    Year: 2019
    Country: Congo (RDC)
  • Sample n°18896 : silver aggregates in massive sulfide matrix
    Minerals: BORNITE SILVER
    Year: 2019
    Country: Congo (RDC)
  • Sample n°18897 : dendritic deposits
    Minerals: HETEROGENITE MANGANESE OXIDES
    Year: 2019
    Country: Congo (RDC)
  • Sample n°18898 : massive band, in fragment with associated copper silicates and malachite
    Minerals: TENORITE
    Year: 2019
    Country: Congo (RDC)
  • Sample n°18899 : fragment with abundant arsenopyrite crystals
    Minerals: ARSENOPYRITE
    Year: 2019
    Country: Congo (RDC)
  • Sample n°18900 : greenish quartz coating, locally covered with pinkish calcite
    Minerals: CALCITE QUARTZ
    Year: 2019
    Country: Congo (RDC)
  • Sample n°18901 : layered crust
    Minerals: SMITHSONITE
    Year: 2019
    Country: Congo (RDC)
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