Mineralogy Database

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12 samples matching your criteria

  • Sample n°4236 : nugget (7 mm) in rust-coloured quartz
    Minerals: GOLD QUARTZ
    Year: 1954
    Country: Rwanda
  • Sample n°4280 : cubic crystals (5 mm) in white and rust-coloured schist
    Minerals: PYRITE
    Year: 1954
    Country: Rwanda
  • Sample n°4281 : isolated octahedral crystals (1 cm)
    Minerals: PYRITE
    Year: 1954
    Country: Rwanda
  • Sample n°4321 : concentrate (5 mm)
    Minerals: RUTILE
    Year: 1954
    Country: Rwanda
  • Sample n°4496 : grey concentrate (2-10 mm)
    Minerals: BISMUTITE
    Year: 1954
    Country: Rwanda
  • Sample n°4528.1 : rounded crystals (1 cm)
    Minerals: XENOTIME-(Y)
    Year: 1954
    Country: Rwanda
  • Sample n°4695 : fine black needles (4 cm) in blue quartz
    Minerals: TOURMALINE
    Year: 1954
    Country: Rwanda
  • Sample n°9950 : blue impregnations in saccharoidal quartz
    Minerals: APATITE
    Year: 1960
    Country: Rwanda
  • Sample n°9953 : partly altered pyrite crystals in saccharoidal quartz
    Minerals: PYRITE QUARTZ
    Year: 1963
    Country: Rwanda
  • Sample n°11253 : purple plates, palm-shaped patterns
    Minerals: LEPIDOLITE
    Year: 1955
    Country: Rwanda
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