Mineralogy Database

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103 samples matching your criteria

  • Sample n°13275 : brown broken crystals
    Minerals: CASSITERITE
    Year:
    Country: Rwanda
  • Sample n°13353 : massive debris (3 cm)
    Minerals: CASSITERITE
    Year: 1976
    Country: Rwanda
  • Sample n°13354 : shapeless debris
    Minerals: CASSITERITE
    Year: 1976
    Country: Rwanda
  • Sample n°13360 : massive purplish vein with spots of yellow mica (12 cm)
    Minerals: CASSITERITE MUSCOVITE QUARTZ
    Year: 1960
    Country: Rwanda
  • Sample n°13945 : quartz with earthy black ferberite masses, altered to yellow tungstite and white anthoinite, blocks of 8-15 cm
    Minerals: ANTHOINITE FERBERITE TUNGSTITE QUARTZ
    Year: 1982
    Country: Rwanda
  • Sample n°14354 : plate of crystals (14 cm)
    Minerals: CASSITERITE
    Year: 1986
    Country: Rwanda
  • Sample n°14355 : rust-coloured crystal (10 cm)
    Minerals: CASSITERITE
    Year: 1986
    Country: Rwanda
  • Sample n°14356 : block of rust-coloured crystals (3 kg)
    Minerals: CASSITERITE
    Year: 1986
    Country: Rwanda
  • Sample n°14369 : group of grey crystals with rust-coloured surface (30 kg)
    Minerals: CASSITERITE
    Year: 1986
    Country: Rwanda
  • Sample n°9679 : coarse-grained blocks with prominent large biotite crystals
    Minerals: ALBITE BIOTITE QUARTZ MUSCOVITE
    Year: 1962
    Country: Rwanda
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