Mineralogy Database

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29 samples matching your criteria

  • Sample n°618 : amygdale (1 cm) in andesite
    Minerals: ARAGONITE
    Year: 1924
    Country: Rwanda
  • 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°4303 : debris of royal blue crystals, var. sapphire
    Minerals: CORUNDUM
    Year: 1954
    Country: Rwanda
  • Sample n°4304 : divers concentrates, var. sapphire, var. ruby
    Minerals: CORUNDUM QUARTZ
    Year: 1954
    Country: Rwanda
  • Sample n°4321 : concentrate (5 mm)
    Minerals: RUTILE
    Year: 1954
    Country: Rwanda
  • Sample n°4402 : pink concentrate (2 mm)
    Minerals: ZIRCON
    Year: 1954
    Country: Rwanda
  • Sample n°4436 : black sand
    Minerals: MAGNETITE
    Year: 1954
    Country: Rwanda
  • Sample n°4496 : grey concentrate (2-10 mm)
    Minerals: BISMUTITE
    Year: 1954
    Country: Rwanda
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