Mineralogy Database

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15 samples matching your criteria

  • Sample n°8517 : blocks of muscovite-rich rock (6 cm)
    Minerals: MUSCOVITE
    Year:
    Country: Rwanda
  • Sample n°8539 : layered impregnations in quartzite (8 cm)
    Minerals: PYRITE QUARTZ
    Year:
    Country: Rwanda
  • Sample n°9743 : black crystals (1-2 cm)
    Minerals: RUTILE
    Year:
    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
  • Sample n°10287 : brown plate (5 cm)
    Minerals: CASSITERITE
    Year: 1963
    Country: Rwanda
  • Sample n°14369 : group of grey crystals with rust-coloured surface (30 kg)
    Minerals: CASSITERITE
    Year: 1986
    Country: Rwanda
  • Sample n°17878 : large block with cassiterite along sides of quartz vein
    Minerals: CASSITERITE
    Year: 2017
    Country: Rwanda
  • Sample n°17879 : veins crossing sandstone matrix
    Minerals: CASSITERITE
    Year: 2017
    Country: Rwanda