Mineralogy Database

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1534 samples matching your criteria

  • Sample n°1869 : black massive scoriaceous material in vein quartz (4 and 8 cm)
    Minerals: WOLFRAMITE QUARTZ
    Year:
    Country: Rwanda
  • Sample n°1870 : black crystals (2 cm) in grey vein quartz
    Minerals: FERBERITE QUARTZ
    Year:
    Country: Rwanda
  • Sample n°1871 : dull hexagonal prismatic crystal (10 cm)
    Minerals: BERYL
    Year:
    Country: Rwanda
  • Sample n°1873 : irregular (8 cm)
    Minerals: ALMANDINE
    Year:
    Country: Rwanda
  • Sample n°1875 : black anhedral crystals in quartz (2 and 4 cm)
    Minerals: FERBERITE
    Year:
    Country: Rwanda
  • Sample n°1885 : altered black crystal in vein quartz debris (5 cm), with hydrokenoesmoreite (var. ferritungstite)
    Minerals: FERBERITE HYDROKENOELSMOREITE ANTHOINITE QUARTZ
    Year:
    Country: Rwanda
  • Sample n°1887 : black crystals (1 cm)
    Minerals: AUGITE
    Year:
    Country: Rwanda
  • Sample n°1909 : grey concentrate (1 cm)
    Minerals: MONAZITE
    Year:
    Country: Rwanda
  • Sample n°1957 : black rounded crystals (1 cm)
    Minerals: COLUMBITE
    Year:
    Country: Rwanda
  • Sample n°1959 : black plates (2 cm)
    Minerals: COLUMBITE
    Year:
    Country: Rwanda
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