Mineralogy Database

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853 samples matching your criteria

  • Sample n°4367 : brown crystals (1 cm) in pegmatite with muscovite
    Minerals: CASSITERITE MAGNETITE MUSCOVITE QUARTZ
    Year: 1954
    Country: Rwanda
  • Sample n°4368 : brown crystalline mass (5 cm)
    Minerals: CASSITERITE
    Year: 1954
    Country: Rwanda
  • Sample n°4369 : brown crystals (3-6 cm)
    Minerals: CASSITERITE
    Year: 1954
    Country: Rwanda
  • Sample n°4371 : black twinned crystal (6 cm) in quartz
    Minerals: CASSITERITE
    Year: 1954
    Country: Rwanda
  • Sample n°4372 : black crystals (1-2 cm)
    Minerals: CASSITERITE
    Year: 1954
    Country: Rwanda
  • Sample n°4373 : brown and black twinned crystals (3-5 cm)
    Minerals: CASSITERITE
    Year: 1954
    Country: Rwanda
  • Sample n°4374 : layer (6 cm) of bright black crystals
    Minerals: CASSITERITE QUARTZ
    Year: 1954
    Country: Rwanda
  • Sample n°4375 : brown crystals (3 cm)
    Minerals: CASSITERITE
    Year: 1954
    Country: Rwanda
  • Sample n°4376 : crystalline debris (3 cm)
    Minerals: CASSITERITE
    Year: 1954
    Country: Rwanda
  • Sample n°4377 : 'bec d'étain' twinning (5 cm)
    Minerals: CASSITERITE
    Year:
    Country: Rwanda
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