Mineralogy Database

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103 samples matching your criteria

  • Sample n°15968 : well-developed prismatic crystal
    Minerals: QUARTZ
    Year:
    Country: Rwanda
  • Sample n°15943 : large single crystal (5 cm)
    Minerals: FERBERITE
    Year:
    Country: Rwanda
  • Sample n°16214 : lava with abundant prismatic crystals
    Minerals: PYROXENE
    Year:
    Country: Rwanda
  • Sample n°16216 : well-developed crystals
    Minerals: AUGITE
    Year:
    Country: Rwanda
  • Sample n°16217 : well-developed crystals
    Minerals: AUGITE
    Year:
    Country: Rwanda
  • Sample n°17083 : large euhedral ferberite crystals, partly altered to anthoinite
    Minerals: ANTHOINITE FERBERITE
    Year: 2010
    Country: Rwanda
  • Sample n°17087 : isolated crystal in fine-grained schist matrix
    Minerals: FERBERITE
    Year: 2014
    Country: Rwanda
  • Sample n°17088 : large well-developed crystal
    Minerals: FERBERITE
    Year: 2014
    Country: Rwanda
  • Sample n°17415 : pyramidal crystal
    Minerals: FERBERITE
    Year: 2016
    Country: Rwanda
  • Sample n°17416 : fine-grained alteration of ferberite
    Minerals: TUNGSTITE
    Year: 2016
    Country: Rwanda
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