Mineralogy Database

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137 samples matching your criteria

  • Sample n°3106 : massive pink mineral with conchoidal fracture in pegmatite
    Minerals: ALLOPHANE
    Year:
    Country: Congo (RDC)
  • Sample n°3107 : white crystal with prominent cleavage
    Minerals: MICROCLINE
    Year: 1952
    Country: Congo (RDC)
  • Sample n°3111 : white tabular crystal (15 cm)
    Minerals: SPODUMENE
    Year: 1952
    Country: Congo (RDC)
  • Sample n°3115 : white powder
    Minerals: KAOLINITE
    Year:
    Country: Congo (RDC)
  • Sample n°3116 : cassiterite from greisen
    Minerals: CASSITERITE
    Year:
    Country: Congo (RDC)
  • Sample n°3117 : pegmatite with purplish mica
    Minerals: LEPIDOLITE
    Year: 1952
    Country: Congo (RDC)
  • Sample n°3118 : large black crystals in gangue material
    Minerals: CASSITERITE
    Year:
    Country: Congo (RDC)
  • Sample n°3120 : coarse-grained concentrate
    Minerals: LOELLINGITE
    Year:
    Country: Congo (RDC)
  • Sample n°3126 : crystals
    Minerals: THOREAULITE
    Year:
    Country: Congo (RDC)
  • Sample n°3127 : bright crust with undulating surface
    Minerals: OPAL
    Year:
    Country: Congo (RDC)
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