Mineralogy Database

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103 samples matching your criteria

  • Sample n°11156 : pink debris
    Minerals: ALMANDINE
    Year: 1966
    Country: Rwanda
  • Sample n°11241 : black twinned crystals (1-2 cm)
    Minerals: AUGITE
    Year:
    Country: Rwanda
  • Sample n°11275 : crystals (1-2 cm) in altered lava (18 cm)
    Minerals: AUGITE
    Year:
    Country: Rwanda
  • Sample n°11692 : broken fragment (5 cm), var. chiastolite
    Minerals: ANDALUSITE
    Year:
    Country: Rwanda
  • Sample n°12943 : black crystalline blocks (6-8 cm)
    Minerals: WOLFRAMITE
    Year: 1972
    Country: Rwanda
  • Sample n°12974 : black crystals (2 cm)
    Minerals: AUGITE
    Year:
    Country: Rwanda
  • Sample n°13369 : black crystals (1 cm)
    Minerals: AUGITE
    Year:
    Country: Rwanda
  • Sample n°13946 : black crystals altered to yellow tungstite, in quartz matrix (7 cm)
    Minerals: FERBERITE TUNGSTITE
    Year: 1982
    Country: Rwanda
  • Sample n°15987 : coarse-crystalline intergrowth
    Minerals: WOLFRAMITE TUNGSTITE
    Year:
    Country: Rwanda
  • Sample n°15971 : group of large well-developed crystals
    Minerals: FERBERITE
    Year:
    Country: Rwanda
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