Mineralogy Database

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402 samples matching your criteria

  • Sample n°9609 : black crystals in friable albite
    Minerals: CASSITERITE ALBITE
    Year:
    Country: Rwanda
  • Sample n°9614 : blue crystals in albitic rock (12 cm)
    Minerals: APATITE
    Year: 1970
    Country: Rwanda
  • Sample n°9617 : white block (18 cm)
    Minerals: MICROCLINE
    Year:
    Country: Rwanda
  • Sample n°9622 : blue granular glaucophanite (13 cm)
    Minerals: GLAUCOPHANE
    Year:
    Country: Rwanda
  • Sample n°9631 : mixed micaceous block (7 cm)
    Minerals: BIOTITE MUSCOVITE
    Year:
    Country: Rwanda
  • Sample n°9651 : altered black prismatic crystals in saccharoidal quartz (12 cm)
    Minerals: SCHORL QUARTZ
    Year: 1962
    Country: Rwanda
  • Sample n°9659 : black lamellae on white feldspar (18 cm)
    Minerals: BIOTITE MICROCLINE
    Year:
    Country: Rwanda
  • Sample n°9665 : black prismatic crystal (1-3 cm) in quartz
    Minerals: SCHORL MUSCOVITE
    Year:
    Country: Rwanda
  • Sample n°9668 : black crystals (2 cm) in quartz
    Minerals: SCHORL QUARTZ
    Year:
    Country: Rwanda
  • Sample n°9669 : pegmatite (10 cm)
    Minerals: MUSCOVITE
    Year:
    Country: Rwanda
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