Mineralogy Database

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103 samples matching your criteria

  • Sample n°17417 : fragment with prominent cleavage
    Minerals: FERBERITE
    Year: 2016
    Country: Rwanda
  • Sample n°15957 : pyramidal crystal
    Minerals: FERBERITE
    Year:
    Country: Rwanda
  • Sample n°17543 : arge augite crystals along weathered surface
    Minerals: AUGITE
    Year:
    Country: Rwanda
  • Sample n°17543 : arge augite crystals along weathered surface
    Minerals: AUGITE
    Year:
    Country: Rwanda
  • Sample n°17544 : abundant crystals in rock matrix
    Minerals: OLIVINE
    Year:
    Country: Rwanda
  • Sample n°17548 : enclave with abundant well-developed augite crystals
    Minerals: AUGITE
    Year:
    Country: Rwanda
  • Sample n°16215 : coatings of vesicles
    Minerals: OPAL CALCITE
    Year:
    Country: Rwanda
  • Sample n°17874 : pseudomorph after bipyramidal scheelite
    Minerals: ANTHOINITE
    Year: 2017
    Country: Rwanda
  • Sample n°17875 : graphitic material with coarse-crystalline muscovite bands
    Minerals: GRAPHITE MUSCOVITE
    Year: 2017
    Country: Rwanda
  • Sample n°17876 : coarse-crystalline fragments
    Minerals: FERBERITE
    Year: 2017
    Country: Rwanda
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