Mineralogy Database

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1547 samples matching your criteria

  • Sample n°13366 : bright black twinned crystals (1 cm)
    Minerals: CASSITERITE
    Year:
    Country: Rwanda
  • Sample n°13367 : white crust on brown ore and quartz
    Minerals: ANTHOINITE
    Year:
    Country: Rwanda
  • Sample n°13369 : black crystals (1 cm)
    Minerals: AUGITE
    Year:
    Country: Rwanda
  • Sample n°13539 : ochre crust on white debris
    Minerals: CHURCHITE-(Y) AMBLYGONITE
    Year:
    Country: Rwanda
  • Sample n°13540 : earthy yellow material enclosed in brown block (10 cm)
    Minerals: CYRILOVITE GOETHITE
    Year: 1972
    Country: Rwanda
  • Sample n°13547 : pink variscite crust on green block (5 cm)
    Minerals: BRAZILIANITE VARISCITE
    Year:
    Country: Rwanda
  • Sample n°13599 : broken pyrite crystal (8 cm) with enclosed black cassiterite
    Minerals: PYRITE CASSITERITE
    Year: 1970
    Country: Rwanda
  • Sample n°13601 : plate of bright crystals (5 mm) on ochre oxidised rock
    Minerals: CASSITERITE
    Year: 1979
    Country: Rwanda
  • Sample n°13602 : pink coating of mixed phosphates
    Minerals: VARISCITE
    Year: 1979
    Country: Rwanda
  • Sample n°13603 : bright pink (hureaulite) and purple (phosphosiderite) crust on purple blocks
    Minerals: HUREAULITE PHOSPHOSIDERITE PURPURITE
    Year: 1979
    Country: Rwanda