Mineralogy Database

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29 samples matching your criteria

  • Sample n°1092 : clear prismatic crystals (13 cm)
    Minerals: QUARTZ
    Year: 1938
    Country: Rwanda
  • Sample n°1093 : bundles of black prismatic crystals in tourmalinite
    Minerals: SCHORL
    Year: 1938
    Country: Rwanda
  • Sample n°1861 : debris of crystals (2 cm)
    Minerals: CASSITERITE
    Year:
    Country: Rwanda
  • Sample n°1863 : massive black ferberite in quartz
    Minerals: FERBERITE QUARTZ
    Year:
    Country: Rwanda
  • Sample n°1864 : mineralised detrital blocks
    Minerals: WOLFRAMITE QUARTZ
    Year:
    Country: Rwanda
  • Sample n°4339 : large brown crystals in vein quartz
    Minerals: CASSITERITE
    Year: 1954
    Country: Rwanda
  • Sample n°4380 : debris of crystals
    Minerals: CASSITERITE
    Year: 1954
    Country: Rwanda
  • Sample n°4570 : black octahedral crystals (3 cm)
    Minerals: FERBERITE
    Year: 1954
    Country: Rwanda
  • Sample n°4571 : altered ferberite crystal (1 cm) in saccharoidal quartz, with hydrokenoesmoreite (var. ferritungstite)
    Minerals: ANTHOINITE HYDROKENOELSMOREITE
    Year: 1954
    Country: Rwanda
  • Sample n°4594 : dark prismatic crystal
    Minerals: QUARTZ
    Year: 1954
    Country: Rwanda
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