Mineralogy Database

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103 samples matching your criteria

  • Sample n°9232 : brown crystalline masses in clear quartz
    Minerals: CASSITERITE
    Year:
    Country: Rwanda
  • Sample n°9235 : various massive blocks (3-5 cm)
    Minerals: CASSITERITE
    Year:
    Country: Rwanda
  • Sample n°9702 : massive sulfides in vein quartz (7-9 cm)
    Minerals: ARSENOPYRITE QUARTZ
    Year:
    Country: Rwanda
  • Sample n°9743 : black crystals (1-2 cm)
    Minerals: RUTILE
    Year:
    Country: Rwanda
  • Sample n°10244 : purplish fragment (8 cm) surrounded by pink muscovite
    Minerals: CASSITERITE
    Year:
    Country: Rwanda
  • Sample n°10277 : debris of black crystal (2 cm)
    Minerals: CASSITERITE
    Year: 1963
    Country: Rwanda
  • Sample n°10280 : bluish powdery concentrate
    Minerals: CASSITERITE
    Year: 1963
    Country: Rwanda
  • Sample n°10281 : mixed concentrate (2-8 mm)
    Minerals: PYRITE ARSENOPYRITE
    Year: 1963
    Country: Rwanda
  • Sample n°10282 : massive mixed sulfides in vein quartz
    Minerals: PYRITE ARSENOPYRITE
    Year:
    Country: Rwanda
  • Sample n°10286 : anhedral crystals in vein quartz (6 cm)
    Minerals: CASSITERITE QUARTZ
    Year: 1963
    Country: Rwanda
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